The trio is back for more investigations.

Jamie-Lynn Sigler guest stars.

The mafia turns to Peter for help.

Allison starts overhearing conversations.

A rogue wave hits the Direction.

Jo tries to help an Alabama family.

Jor-El searches for Kal-El at the Kent farm.

The detectives link a murder to a drug cartel.

Brian Williams returns for another cameo.

Megan Mullally guest stars as Ron's ex-wife.

Gavin Rossdale cameos as a rockstar.

Mandy Patinkin guest stars as an organ donor.

Will Forte guest voices as Principal Wally.

Pop sensation Lady Gaga appears as herself.

Tricia Helfer guest stars as Chelsea's friend.

Heather Locklear returns as Amanda Woodward.

Tim Gunn and Tabatha Coffey give makeovers.

Edward Norton guests as musician Izzy LaFontaine.

Jennifer Grey guest as Richard's blind date.

Jonah Hill guest stars as a man-child.

Eve guest stars as a choir director.

Lisa Kudrow guests as a mean dermatologist.

Singer Shakira guest stars as herself.

Elisabeth Moss guests as a cancer patient.

Aaron Carter
Singer, Reality TV Star

Donny Osmond
Singer, Actor

Joanna Krupa
Model

Kelly Osbourne
Singer, Reality TV Star

Mya
Singer, Actress

Mark Dacascos
Eliminated 11/3

Michael Irvin
Eliminated 11/3

Melissa Joan Hart
Eliminated 10/27

Louie Vito
Eliminated 10/27

Natalie Coughlin
Eliminated 10/20

Chuck Liddell
Eliminated 10/13

Debi Mazar
Eliminated 10/6

Tom DeLay
Withdrew 10/6

Kathy Ireland
Eliminated 9/29

Ashley Hamilton
Eliminated 9/23

Macy Gray
Eliminated 9/23

The nuclear family has exploded.

Sing and laugh along with the glee club.

Explore the universe on an ancient ship.

Go inside the world of a motorcycle gang.

Mishaps and pranks at Dunder Mifflin.

A mystery author helps police solve murders.

Agents are programmed for their missions.

The entire planet blacks out and sees the future.

Laugh along with the Griffin family.

What's next for Brennan and Booth?

Explore the universe on an ancient ship.

Well-kept lawns and poorly kept secrets.

Celebs, costumes, choreography -- oh my!

It's higher education ... with low expectations.

Not all lessons happen in the classroom.

These doctors specialize in drama.

'The Clone Wars' Season 1 DVD

'Fraggle Rock' Complete Series DVD

'The Shield' Complete Series DVD

'Spin City' Season 3 DVD

'Dawson's Creek' Complete Series DVD

'A Very Sunny Christmas' DVD

'7th Heaven' Season 9 DVD

'Andy Barker, P.I.' Complete Series DVD>

'G.I. Joe' Complete Collector's Set DVD

'Drawn Together' Complete Series DVD

Matt Bomer is a charming crook in 'White Collar.'

Katie Cassidy is the new 'Melrose Place' vixen.

Lea Michele is a singing sensation on 'Glee.'

Paul Wesley is fall's hottest vampire.

Dichen Lachman is a mysterious doll.

Danny Pudi attends 'Community' college.

Molly Quinn shines as 'Castle's' daughter.

Zach Galifianakis hits the small-screen.

Archie Panjabi is 'The Good Wife's' ally.

Jon Foster knocks up a cougar in his new show.

Melinda McGraw gives comedy a try in 'Hank.'

Matt Lanter is the bad boy of '90210.'

Taylor Schilling joins TV's long list of nurses.

Has Jesse Tyler Ferguson found his breakout role?

Jaime Ray Newman will put a spell on you.

Dan Byrd plays Courteney Cox's son.