Peter Rowsthorn, Nina Oyama, Chris Parker and Anne Edmonds step through the blue door on Thank God You're Here.

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.

Emma Holland, Merrick Watts, Michelle Brasier and Rhys Nicholson step through the blue door on Thank God You're Here.

Urzila Carlson, Aaron Chen, Gillian Cosgriff and Luke McGregor step through the blue door on Thank God You're Here.

Guy Montgomery, Ting Lim, Takashi Wakasugi, Melanie Bracewell step through the blue door on Thank God You're Here.

Melanie Bracewell, Guy Montgomery, Geraldine Hickey and Ross Noble step through the blue door on Thank God You're Here.

Anne Edmonds, Sam Pang, Frankie McNair and Hamish Blake step through the blue door for the first episode of Thank God You're Here.

Hamish Blake, Tanya Bulmer, Josh Lawson and Angus Sampson perform.

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.

Marty Sheargold, Emma Holland, Zoe Coombs-Marr and Tommy Little, step through the blue door on Thank God You're Here.

Lloyd Langford, Bron Lewis, Felicity Ward and Ivan Aristeguieta step through the blue door on Thank God You're Here.

Five stars (Shaun Micallef, Angus Sampson, Frank Woodley, Kate Langbroek and Akmal Saleh) compete on the season finale.

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.

Ray O'Leary, Virginia Gay, Susie Youssef and Lloyd Langford step through the blue door on Thank God You're Here.

Thank God Hamish Blake, Bob Franklin, Fifi Box and Peter Rowsthorn are here.

Thank God Merrick Watts, Colin Lane, Cal Wilson and Rhys Darby are here.

Matthew Newton makes his debut in a green velvet jackets. As does Shaun Micallef in an enthusiastic t-shirt. Fifi Box returns all primped and put together like a proper lady. While Angus Sampson walks through the door in a tweed and leather jacket.

Peter Rowsthorn, Josh Lawson, Angus Sampson and Julia Zemiro are ready to step through the door this week.

Josh Lawson, Fifi Box, Bob Franklin and Frank Woodley share the stage this week.

Akmal Saleh, Shaun Micallef, Alan Brough and Julia Zemiro guest star.

Angus Sampson manages a hotel, Rebel Wilson is entering royalty, Jordon Raskopoulos is a Roman scholar, and Dave Hughes is a children's' entertainer.

Santo Cilauro, Peter Rowsthorn, Robyn Butler and Angus Sampson step through the door this week.

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.

Fifi Box is dressed in a tracksuit, Frank Woodley is fitted out in Roman era finery, Angus Sampson is scrubbed up and ready, and Peter Rowsthorn looks like a professional.

Fifi Box, Glenn Robbins, Frank Woodley and Akmal Saleh guest star.