The NY Times
explains the ratings...

1408

'1408' is rated PG-13 (Parents strongly cautioned). The hero faces fire, flood, vertigo and assorted supernatural entities.

28 Weeks Later

'28 Weeks Later' is rated R (Under 17 requires accompanying parent or adult guardian). Rabid zombies feast on living flesh, which causes their potential victims to utter an occasional obscenity.

300

'300' is rated R (Under 17 requires accompanying parent or adult guardian). Much butchery, some lechery.

A Mighty Heart

'A Mighty Heart' is rated R. (Under 17 requires accompanying parent or adult guardian.) The film contains verbal obscenities; Mr. Pearl’s death is not portrayed on screen.

Adam's Apples

'Adam's Apples' is rated R (Under 17 requires accompanying parent or adult guardian) for profanity, violence, sexual situations and various disturbing images.

Amazing Grace

'Amazing Grace' is rated PG (Parental guidance suggested). A few oblique scenes and speeches describe the horrors of the Middle Passage and of slavery.

Aqua Teen Hunger Force Colon Movie Film for Theaters

'Aqua Teen Hunger Force Colon Movie Film for Theaters' is rated R (Under 17 requires accompanying parent or adult guardian) for obscenity and crude sexual humor.

Are We Done Yet?

'Are We Done Yet?' is rated PG (Parental guidance suggested). It has a snarling raccoon, a traumatized deer and a rapacious real estate agent.

Away From Her

'Away From Her' is rated PG-13 (Parents strongly cautioned). It has sexual references and complicated, adult situations.

Babel

'Babel' is rated R (Under 17 requires accompanying parent or adult guardian). It has strong language, nudity and intense violence.

Behind the Mask: The Rise of Leslie Vernon

'Behind the Mask: The Rise of Leslie Vernon' is rated R (Under 17 requires accompanying parent or adult guardian). It has slashing, bashing, baring and scaring.

Black Book

'Black Book' is rated R (Under 17 requires accompanying parent or adult guardian). It includes many gun battles, a big container of upended human waste, crude language and full-frontal nudity.

Blake Snake Moan

'Black Snake Moan' is rated R (Under 17 requires accompanying parent or adult guardian). Half-naked nymphomaniac chained to radiator.

Breach

'Breach' is rated PG-13 (Parents strongly cautioned). It includes some mild adult language and a few scenes with guns.

Bridge to Terabithia

'Bridge to Terabitia' is rated PG (Parental guidance suggested). It has some mild language, mildly scary incidents and adult themes.

Bug

'Bug' is rated R (Under 17 requires accompanying parent or adult guardian). Its characters lose clothes, teeth and eventually their minds.

Captivity

'Captivity' is rated R (Under 17 requires accompanying parent or adult guardian). Characters are burned with acid, buried in sand, drugged repeatedly — and then have sex.

Children of Men

'Children of Men' is rated R (Under 17 requires accompanying parent or adult guardian). The film contains extremely intense scenes of warfare.

Civic Duty

'Civic Duty' is rated R (Under 17 requires accompanying parent or adult guardian) for language and some threatening situations.

Colma: The Musical

'Colma: The Musical' is rated R (Under 17 requires accompanying parent or adult guardian). It includes dirty lyrics, underage drinking and pot smoking.

Crazy Love

'Crazy Love' is rated PG-13 (Parents strongly cautioned). There is blunt language.

DOA: Dead or Alive

'DOA: Dead or Alive' is rated PG-13 (Parents strongly cautioned). There is nose cracking, leg spreading and as much gratuitous bouncing as the rating will permit.

Day Watch

'Day Watch' is rated R (Under 17 requires accompanying parent or adult guardian). It has body swapping, blood sucking and throat piercing.

Days of Glory

'Days of Glory' is rated R (Under 17 requires accompanying parent or adult guardian) for combat violence and some profanity.

Dead Silence

'Dead Silence' is rated R (Under 17 requires accompanying parent or adult guardian) for brutal violence, bloody imagery and don't-open-that-door scares.

Delta Farce

'Delta Farce' is rated PG-13 (Parents strongly cautioned) for profanity and suggestive situations.

Disappearances

Disappearances' is rated PG-13 (Parents strongly cautioned) for some gory violence.

Disturbia

'Disturbia' is rated PG-13 (Parents strongly cautioned). It has some fairly graphic violence, naughty language and teasing sexuality.

Downtown: A Street Tale

'Downtown: A Street Tale' is rated R (Under 17 requires accompanying parent or adult guardian). It has shooting up, beating up and a whole bunch of acting up.

Evan Almighty

'Evan Almighty' is rated PG (Parental guidance suggested). It has some mildly naughty humor, but nowhere near as much sex or violence as the Book of Genesis.

Fantastic Four: Rise of the Silver Surfer

'Fantastic Four: Rise of the Silver Surfer' is rated PG (Parental guidance suggested). It has modest action and major cleavage.

Firehouse Dog

'Firehouse Dog' is rated PG (Parental guidance suggested). It has flames, flatulence and inoffensive four-letter words.

First Snow

'First Snow' is rated R (Under 17 requires accompanying parent or adult guardian). It has sexual situations, strong language and violence.

Fracture

'Fracture' is rated R (Under 17 requires accompanying parent or adult guardian). Some graphic violence mixed in with some circumspect sex.

Georgia Rule

'Georgia Rule' is rated R (Under 17 requires accompanying parent or adult guardian). It has sexual references and situations and profanity.

Ghost Rider

'Ghost Rider' is rated PG-13 (Parents strongly cautioned). It throws people from vehicles, lights them on fire and frequently exceeds the speed limit.

Golden Door

'Golden Door' is rated PG-13 (Parents strongly cautioned). There is some brief nudity.

Gracie

'Gracie' is rated PG-13 (Parents strongly cautioned). Characters fumble the ball and fumble with one another.

Gray Matters

'Gray Matters' is rated PG-13 (Parents strongly cautioned). It has racy talk.

Grindhouse

'Grindhouse' is rated R (Under 17 requires accompanying parent or adult guardian). Tell your mother you were over at your frd's house doing homework, and be sure to tell your friends at school about the severed limbs, the exploding heads and the naked you-know-whats.

Half Nelson

'Half Nelson' is rated R (Under 17 requires accompanying parent or adult guardian). There is drug use and tough language.

Harry Potter and the Order of the Phoenix

'Harry Potter and th Order of the Phoenix' is rated PG-13 (Parents strongly cautioned). Its violence is intense, though not graphic, and some of its images are quite scary.

Hot Fuzz

'Hot Fuzz' is rated R (Under 17 requires accompanying parent or adult guardian). Big bangs, hard oaths.

I Think I Love My Wife

'I Think I Love My Wife' is rated R (Under 17 requires accompanying parent or adult guardian). It has some very frank and grown-up discussions of sex, though not much explicit depiction of it.

I'm Reed Fish

'I'm Reed Fish' is rated PG (Parental guidance suggested). It has some mild language and the bizarre offspring of a zebra and a horse.

In the Land of Women

'In the Land of Women' is rated PG-13 (Parents strongly cautioned). It has some strong language.

Inland Empire

'Inland Empire' is rated R (Under 17 requires accompanying parent or adult guardian). It includes adult language, partial female nudity, bloody violence and ubiquitous menace.

Interview

'Interview' is rated R (Under 17 requires accompanying parent or adult guardian). Cursing and drinking, some illegal drug use.

Introducing the Dwights

'Introducing the Dwights' s rated R (Under 17 requires accompanying parent or adult guardian) for sex, nudity and language.

Jindabyne

'Jindabyne' is rated R (Under 17 requires accompanying parent or adult guardian). It has explicit and implicit violence, profanity and sexual references.

Joshua

'Joshua' is rated R (Under 17 requires accompanying parent or adult guardian). It has breast-feeding, child-slapping, granny-pushing and rodent-stuffing.

Knocked Up

'Knocked Up' is rated R (Under 17 requires accompanying parent or adult guardian). It finds abundant humor in the details — and the very existence — of the human reproductive system.

Letters from Iwo Jima

'Letters from Iwo Jima' is rated R (Under 17 requires accompanying parent or adult guardian). It includes extremely graphic combat violence.

Little Children

'Little Children' is rated R (Under 17 requires accompanying parent or adult guardian). It has swearing, strong sexual content and one scene of gruesome violence.

Little Miss Sunshine

'Little Miss Sunshine' is rated R (Under 17 requires accompanying parent or adult guardian). The film has some salty language, but nothing anyone sentient hasn't heard before.

Live Free or Die Hard

'Live Free or Die Hard' is rated PG-13. (Parents strongly cautioned.) Extremely brutal violence and mild obscenities.

Lonely Hearts

'Lonely Hearts' is rated R (Under 17 requires accompanying parent or adult guardian). It has sexual situations, gore and profanity.

Lucky You

'Lucky You' is rated PG-13. There’s a hint of sex, but this Las Vegas is smoke- swearing- and generally sin-free.

Mr. Brooks

The movie is rated R (Under 17 requires accompanying parent or adult guardian). It has sexual situations, profanity and gory violence.

Music and Lyrics

'Music and Lyrics' is rated PG-13 (Parents strongly cautioned). It has some sexual situations and naughty language. Parents of a certain age who see it with their children may have to endure some uncomfortable questions about the '80s.

My Best Friend

'My Best Friend' is rated PG-13 (Parents strongly cautioned) for strong language and mild sexual situations.

My Brother

'My Brother' is rated PG-13 (Parents strongly cautioned) for violence and mild profanity.

Nancy Drew

'Nancy Drew' is rated PG (Parental guidance suggested). It has some mild violence and semi-scary situations.

Next

'Next' is rated PG-13 (Parents strongly cautioned). Among the palpitating distractions are gun violence, explosions and the sight of Ms. Biel in a low-cut shirt, a sheet and that towel.

Nomad: The Warrior

'Nomad: The Warrior' is rated R (Under 17 requires accompanying parent or adult guardian) for a beheading and other violence.

Notes on a Scandal

'Notes on a Scandal' is rated R (Under 17 requires accompanying parent or adult guardian). The film contains crude language and scenes of an adult having sex with a minor.

Ocean's Thirteen

'Ocean's Thirteen' is rated PG-13. (Parents strongly cautioned.) Gambling looks mighty fun in this film, as does larceny.

Offside

'Offside' is rated PG. It has some strong language.

Pan's Labyrinth

'Pan's Labyrinth' s rated R (Under 17 requires accompanying parent or adult guardian). It has graphic violence and occasional obscene language.

Paprika

'Paprika' is rated R (Under 17 requires accompanying parent or adult guardian). It contains a sexual assault, naked animated breasts, maniacally grinning dolls and various leaps into the void.

Paris Je T'Aime

'Paris Je T'Aime' is rated R (Under 17 requires accompanying parent or adult guardian). It has sexual situations.

Pathfinder

'Pathfinder' is rated R (Under 17 requires accompanying parent or adult guardian). A splatterfest.

Perfect Stranger

'Perfect Stranger' is rated R (Under 17 requires accompanying parent or adult guardian). It has sexual situations, some nudity, violence and strong language.

Premonition

'Premonition' is rated PG-13 (Parents strongly cautioned). It has mild sexual situations and some strong language.

Race You To The Bottom

'Race You To The Bottom' is rated R (Under 17 requires accompanying parent or adult guardian). Its characters explore Ecstasy, sexual honesty and one another.

Reign Over Me

'Reign Over Me' is rated R (Under 17 requires accompanying parent or adult guardian). It has profanity and sexual references.

Reno 911!: Miami

'Reno 911!: Miami' is rated R (Under 17 requires accompanying parent or adult guardian). It includes vulgar language and some partial nudity.

Rescue Dawn

'Rescue Dawn' is rated PG-13 (Parents strongly cautioned). It has profanity, graphic violence, torture and assorted jungle miseries.

Shooter

'Shooter' is rated R (Under 17 requires accompanying parent or adult guardian). Did I mention the exploding heads?

Spider-Man 3

'Spider-Man 3' is rated PG-13. (Parents strongly cautioned.) Some gun violence and blood, but mostly lots of zap, pow, wham.

Starter for Ten

'Starter for Ten' is rated PG-13 (Parents strongly cautioned). It has a little sex, a little drugs and a lot of rock 'n' roll.

Stephanie Daley

'Stephanie Daley' is rated R (Under 17 requires accompanying parent or adult guardian). It includes sexual situations and an agonizing birth scene.

TMNT

'TMNT' is rated PG (Parental guidance suggested). It has toothy monsters, scary female body images and ferociously ripped reptiles.

Talk to Me

'Talk to Me' is rated R (Under 17 requires accompanying parent or adult guardian). It has abundant profanity, vulgar humor and sexual situations far beyond what the F.C.C. would approve.

Tekkonkinkreet

'Tekkonkinkreet' is rated R (Under 17 requires accompanying parent or adult guardian). Some adult language, fighting and bloodshed.

The Abandoned

'The Abandoned' is rated R (Under 17 requires accompanying parent or adult guardian). It has some gory violence, brief nudity and frequent swearing on the part of the lead actress, who wonders aloud how she got into this mess.

The Astronaut Farmer

'The Astronaut Farmer' is rated PG (Parental guidance suggested). It has some naughty words and a few mild double-entendres about the size of the main character's rocket.

The Bridge

'The Bridge' is rated R (Under 17 requires accompanying parent or adult guardian). It has shocking images of suicidal leaps.

The Departed

'The Departed' is rated R (Under 17 requires accompanying parent or adult guardian). The language is dirty and the action bloody.

The History Boys

'The History Boys' is rated R (Under 17 requires accompanying parent or adult guardian) for strong language and sexually explicit dialogue.

The Host

'The Host' is rated R (Under 17 requires accompanying parent or adult guardian). It contains monster violence galore.

The Last King of Scotland

'The Last King of Scotland' is rated R (Under 17 requires accompanying parent or adult guardian). There is brutal violence from start to finish, including a scene of very graphic, believable-looking torture.

The Last Mimzy

'The Last Mimzy' is rated PG (Parental guidance suggested). It has a thimbleful of strong language and a bucketful of New Age ideas.

The Namesake

'The Namesake' is rated PG-13 (Parents strongly cautioned). It has mild sexual situations.

The Number 23

'The Number 23' is rated R (Under 17 requires accompanying parent or adult guardian). It has adult language, scenes of animal endangerment, and one realistic-looking slit and spurting human throat.

The Prisoner or: How I Planned to Kill Tony Blair

'The Prisoner or: How I Planned to Kill Tony Blair' is rated PG-13 (Parents strongly cautioned). Some rough language.

The Queen

'The Queen' is rated PG-13 (Parents strongly cautioned). There is some tart language.

The Reaping

'The Reaping' is rated R (Under 17 requires accompanying parent or adult guardian). Discreet sex, overt blood and some way-ugly boils.

The Ultimate Gift

'The Ultimate Gift' is rated PG (Parental guidance suggested). It has some bad words, a few bad people and a cattle prod used as a motivational tool.

The Valet

'The Valet' is rated PG-13 (Parents strongly cautioned). It has mild sexual situations and some strong language.

Time

'Time' is rated R (Under 17 requires accompanying parent or adult guardian). It has frank sex, nudity and gory documentary images of plastic surgery.

Two Weeks

'Two Weeks' is rated R (Under 17 requires accompanying parent or adult guardian). It has a couple of off-color remarks and stark images of illness.

Waitress

'Waitress' is rated PG-13 (Parents strongly cautioned). Some sex and some swearing, but all in all, as sweet as pie.

Wild Hogs

'Wild Hogs' is rated PG-13 (Parents strongly cautioned). It has swearing, fighting and sexual innuendo. But don't get the wrong idea.

Year of the Dog

'Year of the Dog' is Rated PG-13 (Parents strongly cautioned). Bring hankies.

Zodiac

'Zodiac' is rated R (Under 17 requires accompanying parent or adult guardian). It contains extremely graphic gun and knife violence, as well as alcohol abuse and cocaine use.