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.

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.'

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.'

Michelle Brasier, Marty Sheargold, Ray O'Leary & Julia Morris step through the blue door on another episode 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.'

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.'

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'.

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!