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.

Kitty Flanagan, Guy Montgomery, Marty Sheargold & Emma Holland take up the challenge when they walk through the blue door on 'Thank God You're Here.

Actor Virginia Gay and comedians Guy Montgomery, Danielle Walker and Aaron Chen, step through the blue door for the third episode of the return season of 'Thank God You're Here.'

TV Host and radio legend, Hamish Blake plus comedians Emma Holland, He Huang and Ross Noble step through the blue door on 'Thank God You're Here.'

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.

Comedians Lloyd Langford, Luke McGregor and Geraldine Hickey, plus radio presenter Fifi Box, step through the blue door for the second episode of the return season of 'Thank God You're Here'.

Comedians Joel Creasey, Frankie McNair, Lloyd Langford, and Julia Zemiro step through the blue door to test their quick wit on 'Thank God You're Here.'

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.

Melanie Bracewell, Rhys Nicholson, Dane Simpson & Urzila Carlson step through the blue door to take the nail-biting challenge on 'Thank God You're Here.'

Urzila Carlson, Aaron Chen, Julia Zemiro & Mark Bonanno step through the blue door for the first episode of the return season of Thank God You're Here, with new host, Celia Pacquola!

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

Michelle Brasier, Marty Sheargold, Ray O'Leary & Julia Morris step through the blue door on another episode of 'Thank God You're Here.'

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

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.

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.

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.

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.

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

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

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

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.

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

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

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