Anthony Clark hosts the series as the fourth season opens with talent scouts Bob Read and Ross Mark traveling to six cities across the U.S., auditioning aspiring comedians. Also, the selection of the semifinalists who will compete for the top prize: a talent contract with NBC and a comedy special for Bravo.

36 :04x02 - Season 4 Premiere Part 2

First aired: May/30/2006

37 :04x03 - Episode 3

First aired: Jun/06/2006
Guest star: Kathy Griffin (Herself), Garry Marshall (Himself), Tim Meadows (Himself)

Round one of the comic semi-finals begins, with special appearances by celebrity judges Kathy Griffin (Bravo's "Kathy Griffin: My Life on the D List," NBC's "Suddenly Susan"), Garry Marshall ("Chicken Little," "The Princess Diaries I & II") and Tim Meadows ("The Benchwarmers," NBC's "Saturday Night Live

38 :04x04 - Episode 4

First aired: Jun/13/2006

In the final round of the comic semi-finals, top comedians perform their funniest routines in the hopes of being chosen to compete for the title of "Last Comic Standing." But there is a surprise twist when the final contestants are ultimately revealed.

39 :04x05 - Episode 5

First aired: Jun/20/2006

The top comics -- all winners chosen from the semi-final rounds -- move in together on the Queen Mary, the luxury ocean liner docked in Long Beach, CA. Friendships form and tempers rise when a "Heckle Challenge" pits comics against each other and raises the stakes. Then a head-to-head challenge determines who gets to stay on the Queen Mary, and which two comics are sent home.

40 :04x06 - Episode 6

First aired: Jun/27/2006

The comics get a surprise, early-morning wake-up call that will test their comedy-writing skills - and their good nature -- when they're given an outrageous radio challenge on the Adam Carolla Show. But only one will win immunity from the fateful head-to-head that will send two more comics home.

41 :04x07 - Episode 7

First aired: Jul/11/2006

The comics participate in a Friars Club roast, featuring celebrity judges Gilbert Gottfried, Phyllis Diller and previous "Last Comic Standing" champ Alonzo Bodden. The winner gets the chance to perform with Louie Anderson in Las Vegas. Also: a head-to-head challenge determines the final five comedians.

42 :04x08 - Episode 8

First aired: Jul/18/2006

The five remaining contestants perform, then viewers vote for their favorite.

43 :04x09 - Episode 9

First aired: Jul/25/2006

The votes have been counted, and viewers will learn which of the five finalists has been eliminated from the competition. Then the remaining final four comics perform their funniest routines, and America votes for the one they think should be the "Last Comic Standing."

44 :04x10 - Episode 10

First aired: Aug/01/2006

Another contestant is eliminated, leaving the final three comedians to perform.

45 :04x11 - Episode 11

First aired: Aug/08/2006
Guest star: Josh Wolf (Himself), Theo Vonkurnatowski (Himself)

After one more contestant is eliminated, only two comedians are left to compete.

46 :04x12 - Season 4 Finale

First aired: Aug/09/2006
Guest star: Peter Engel (Himself), Alonzo Bodden (Himself), John Heffron (Himself), Dat Phan (Himself), Theo Vonkurnatowski (Himself), Jay Mohr (Himself)

Previous Last Comic Standing winners perform, highlights from the past season are shown, and Josh Blue and Ty Barnett perform before the winner is announced. Former host Jay Mohr also takes the stage as a special guest, as well as the Executive Producer of the show. The other comedians from this season also appear throughout the episode. The Last Comic Downloaded is revealed as well.

47 :05x01 - Auditions #1 & Auditions #2

First aired: Jun/13/2007

Last Comic Standing returns for its fifth season with auctions across the globe. New talent scouts include "Last Comic Standing" alumni Alonzo Bodden, ANT and Kathleen Madigan.

48 :05x02 - Auditions #3

First aired: Jun/20/2007

A quest to discover comedic talent features a star search in Los Angeles and Australia.

49 :05x03 - Auditions #4

First aired: Jun/27/2007

The global star search for comedic talent continues in London and Minneapolis.

Recap episode

First aired: Jun/20/2007

A recap of the fifth-season opener, in which the quest to find the funniest comic begins with star searches in New York City, Montreal and San Antonio. Bill Bellamy is the new host. Alonzo Bodden, Ant and Kathleen Madigan serve as talent scouts.

51 :05x05 - Auditions #5

First aired: Jul/11/2007

The star search for top-notch comics continues in Tempe, Ariz.

52 :05x06 - Semi-Finals #1

First aired: Jul/18/2007

In the first semi-final round, the 32 remaining comics compete in a fast-paced competition in order to make it into the next round.

53 :05x07 - Semi-Finals #2

First aired: Jul/25/2007

The stand-up comics perform in the final round of the semifinals. Tom Arnold serves as a guest talent scout.

54 :05x08 - Challenge #1

First aired: Aug/01/2007

55 :05x09 - Challenge #2

First aired: Aug/08/2007

The remaining eight comics become jesters when they must perform in a medieval tournament. Then, the contestants square off in the second head-to-head showdown.

56 :05x10 - Challenge #3

First aired: Aug/15/2007

The remaining six comics are tasked to induce quick guffaws from disparate people---including models from “Deal or No Deal”---in a challenge titled “Speed Laughing.” Then, the contestants square off in the last head-to-head showdown.

57 :05x11 - Performance #1

First aired: Aug/22/2007

The final five stand-up comics showcase their routines. Alonzo Bodden, ANT and Kathleen Madigan serve as talent scouts.

58 :05x12 - Performance #2

First aired: Aug/29/2007

One contestant is eliminated in Week 2 of performances. Afterward, the final four comics showcase their stand-up talents.

59 :05x13 - Performance #3

First aired: Sep/05/2007

The final three stand-up comics square off in Week 3 of performances.

60 :05x14 - Final Performances

First aired: Sep/12/2007

One stand-up comic is eliminated. Then, the remaining two contestants participate in the final performance.

61 :05x15 - Winner Revealed

First aired: Sep/19/2007

62 :06x01 - Episode 601

First aired: May/22/2008

The search for this year's comic starts with auditions in New York, with Richard Belzer and Steve Schirripa acting as scouts, and in Tempe, Arizona with Kathy Najimi and Fred Willard.

63 :06x02 - Episode 602

First aired: May/29/2008

Oscar Nunez and Angela Kinsey from the hit NBC sitcom The Office are the celebrity talent scouts for the night, along with Neil Flynn and Alfonso Ribeiro from Houston.

64 :06x03 - Episode 603

First aired: Jun/05/2008

Talent scouts French Stewart and James Gomez visit San Francisco, and Dave Foley and Richard Kind head for Toronto searching for the funniest comics around.

65 :06x04 - Episode 604

First aired: Jun/12/2008

Auditions continue as John Ratzenberger and George Wendt of Cheers rate the contestants in Nashville. Also, Kate Flannery and Brian Baumgartner from The Office evaluate the talent in Minneapolis.

66 :06x05 - Episode 605

First aired: Jun/19/2008

Lonny Ross and Keith Powell from 30 Rock serve as this week's comedy scouts as they audition an international crop of comedians in Miami, Florida.

67 :06x06 - Episode 606

First aired: Jun/26/2008

The auditions are over and the chosen comics have been invited to Las Vegas for round 1 of the competition, with Richard Belzer and Steve Shirripa serving as guest talent scouts.

68 :06x07 - Episode 607

First aired: Jul/03/2008

Week 2 of the semifinals finds the comedy talent performing in Las Vegas before the talent scouts.

69 :06x08 - Episode 608

First aired: Jul/10/2008

The 12 semi finalists will compete in a boxing ring in a battle of quick wits, featuring three lightning rounds of one liners, zingers, disses and comebacks. Also, the series Top 10 jokes are revealed.

70 :06x09 - Episode 609

First aired: Jul/17/2008
Guest star: Scott "Carrot Top" Thompson (Himself (Guest Judge))

The comics head to a store to purchase props for their show. Then they give a performance for the employees and patrons within the store, after which two more contestants will be eliminated.

71 :06x10 - Episode 610

First aired: Jul/24/2008
Guest star: Holly Madison (Herself), Bridget Marquardt (Herself), Kendra Wilkinson (Herself), Hugh M. Hefner (Himself)

The eight remaining comics head to the Playboy mansion, in which they are challenged to tell humorous bedtime stories to Hugh Hefner's lingerie wearing gal pals Holly, Bridget and Kendra, along with a special guest appearance by 'Heff' himself.

72 :06x11 - Episode 611

First aired: Jul/31/2008
Guest star: The Dan Band (Themselves)

The final five comics are chosen and then perform once again. Also, a musical performance from the Dan Band.

73 :06x12 - Episode 612 - Finale winner declared

First aired: Aug/07/2008
Director: Alan Carter
Guest star: Joel McHale (Himself), Jon Reep (Himself), Robert Smigel (Triumph The Insult Comic Dog), Jon Lovitz (Himself)

The season six winner is revealed, along with a special performance by Jon Lovitz and Jon Reep (season 5 winner), plus an appearance by Triumph the Insult Comic, Richard Belzer, Steve Schirippa and Joel McHale. Plus, funny ads for Barack Obama and John McCain.