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

Angus Sampson back for the final episode of the season along with Hamish Blake, Shaun Micallef, Julia Zemiro and Anh Do.

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.

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.

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.

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.'

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.

Merrick Watts, Nish ,Bob Franklin and Fifi Box star.

Thank God Peter Helliar, Peter Rowsthorn, Ryan Shelton and Rebel Wilson are 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.'

Tony Martin, Eddie Ifft, Julia Morris and Shaun Micallef step through the door.

Tony Martin, Cal Wilson, Carl Barron and Stephen Curry give the door a try.

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'.

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.

Akmal Saleh, Rebel Wilson, Dave Hughes, and Josh Lawson have a go at the door.

Cal Wilson, Arj Barker, Sean Choolburra and Merrick Watts improv their way through the blue door.

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.'

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

Thank God Merrick Watts, Kate Kangbroek, Nish and Hamish Blake are here.