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

What do you get when you throw four comedians together on the Thank God You're Here stage, entirely unprepared? A night of riotously funny viewing.

Opening the door to the unknown next week are Lloyd Langford, Bron Lewis, Felicity Ward and Ivan Aristeguieta.

Fearless host Celia Pacquola is back to herd those cats and a seriously special guest will scrutinise the silliness.