Thank God Peter Helliar, Stephen Curry, Cal Wilson and Josh Lawson are here.

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

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

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

Thank God Frank Woodley, Ross Noble, Matt Tilley and Julia Zemiro are here.

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

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

Dave Hughes, Kate Jenkinson, Anh Do and Hamish Blake improv their way through the blue door.

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

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

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

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.

Thank God Heath Franklin, Kate Langbroek, Angus Sampson and Tony Truslove are here.

Thank God Rebel Wilson, Merrick Watts, Alan Brough and Akmal Saleh are 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.

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

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.

Ray O'Leary, Virginia Gay, Susie Youssef and Lloyd Langford step through the blue door on 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.

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

Peter Rowsthorn, Nina Oyama, Chris Parker and Anne Edmonds 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.

Sam Pang, Urzila Carlson, Guy Montgomery, Anisa Nandaula & Hamish Blake, step through the blue door for the last time this series, on Thank God You're Here.

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.