Jon has a midlife crisis as his 40th birthday looms, and it doesn't help when Ben Elton is in the audience of his work-in-progress show. Meanwhile, Lucy meets Katherine Ryan.

Lucy needs to make new comedy friends quickly when she's offered the chance to front an all-female sketch show, and Jon meets up with comedian Richard Herring to discuss a proposal.

Lucy tries to up her telly game with quiz show lessons from Russell Kane, Jon and Lucy get help from a relationship therapist, and Jon manages to anger the usually unflappable Dan Walker.

Jon gets much-needed life advice from new best friend Adrian Chiles, and Lucy grabs the chance to find her famous father and takes on Clare Grogan and Tamzin Outhwaite in a charity pub quiz.

Jon considers faking his own death as Lucy gets to work on her sketch show, but when Sally Phillips gets cold feet, Lucy must get another genuine comedy legend on board.

Lucy's offered the chance to do Strictly and meets Anton Du Beke for a taster, but when Jon catches up with Seann Walsh, he is desperate not to trigger Seann by mentioning that show.

Jon and Lucy find out what real love looks like with Marcus Brigstocke and Rachel Parris, Jon gets into shape for five-a-side football, and Sally Phillips hijacks Lucy's sketch show.

Lucy has loads of surprises planned for Jon's 40th birthday, including a private cooking lesson with Hugh Fearnley-Whittingstall. In addition, there's a chance that Jon will finally get his Rik Mayall tattoo.

In this outtakes episode, Jon and Lucy go behind the scenes to find out if they're just as horrible to each other when they don't think the cameras are rolling.