Each episode involves performers walking through a door into an unknown situation, greeted by the line "Thank God you're here!". They then had to improvise their way through the scene. At the end of each episode a winner was announced.
Thank God You're Here (Season 4)
Episode 1 0.0
Air date: 2009-04-29
Runtime: 60 min
Overview: Thank God Merrick Watts, Colin Lane, Cal Wilson and Rhys Darby are here.
Episode 2 0.0
Air date: 2009-05-06
Runtime: 60 min
Overview: Hamish Blake is a knight in shining armor, Rob Carlton is interrupted on the 18th hole, Peter Rowsthorn tries to sell some camping equipment, and Josie Long walks the red carpet.
Episode 3 0.0
Air date: 2009-05-13
Runtime: 60 min
Overview: Angus Sampson manages a hotel, Rebel Wilson is entering royalty, Jordon Raskopoulos is a Roman scholar, and Dave Hughes is a children's' entertainer.
Episode 4 0.0
Air date: 2009-05-20
Runtime: 60 min
Overview: Julia Zemiro visits family for holiday, Carl Barron drives race cars, Bob Franklin has to fire the tea lady, and Tom Gleeson is a diplomat wearing camouflage. All together they hold a wedding reception.
Episode 5 0.0
Air date: 2009-05-27
Runtime: 60 min
Overview: Tony Martin owns a mine, Cal Wilson is a medium impressed by fire, Franklyn Ajaye is a boxer set to help troubled kids, and Merrick Watts pilots a grounded plane. All together, they're employed by a nightclub.
Episode 6 0.0
Air date: 2009-06-10
Runtime: 60 min
Overview: Thank God Heath Franklin, Kate Langbroek, Angus Sampson and Tony Truslove are here.
Episode 7 0.0
Air date: 2009-06-17
Runtime: 60 min
Overview: Arj Barker is a spiritual leader, Josh Lawson commands a submarine, Felicity Ward is hiding her criminal husband, and Josie Long stars in a daytime soap. All together, they're flight attendants in training.
Episode 8 0.0
Air date: 2009-06-24
Runtime: 60 min
Overview: Anh Do is an officer in a kids show, while Julia Zemiro has traveled around the world - twice. Colin Lane loses an arm and fights the French, and Adam Hills talks about a building being built. All together, their team won the championship.
Episode 9 0.0
Air date: 2009-07-01
Runtime: 60 min
Overview: Thank God Rebel Wilson, Merrick Watts, Alan Brough and Akmal Saleh are here.
Episode 10 0.0
Air date: 2009-07-08
Runtime: 60 min
Overview: Felicity Ward is a Aviator at a media conference, Hamish Blake is a contestant on a dating show, Josh Lawson is a vampire meeting his girlfriends parents, Angus Sampson is a police officer at a law drafting conference and Toby Truslove is a captain of a spaceship. All together they're part of the 'Showbiz Squares' game show scenario.

Seasons

Episodes 10

Episodes 10

Episodes 11

Episodes 10

Episodes 8

Episodes 6

Episodes 1