Love brings Joe to a wellness weekend, where he gets a good look at her family's dynamic. But Forty's surprise guest has him feeling anything but zen.

The Hicks help the Mennonites with some choring.

John recruits an unlikely partner to help hunt down a secret audio signal intercepted by the ship. Will begins to suspect Adler is hiding something.

Confronted with an unwelcome patient, Serena is forced to make a life or death choice. Chloe decides she's ready to move on in 2020, but will her decision hurt a good friend? And Ange and Fletch plan their first New Year's Eve together, but will Sacha and Dominic's interference scupper their plans?

Adam Hills, Josh Widdicombe and Alex Brooker, along with a host of celebrities including Sue Perkins, Sara Pascoe, Tom Davis, Rosie Jones and Johnny Vegas celebrate the arrival of a new decade and look back at 2019.