Race Across the World

8pm, BBC One
It’s hotting up in Turkey as the fourth leg begins, and the teams set off for their next checkpoint: Georgia’s capital, Tbilisi. Three teams turn their feet east but one decides to go rogue, heading north to the Black Sea coast via a 14-hour slog of a bus journey. Will it pay off? Lucinda Everett

Paul Merton: Driving Amazing Trains

8pm, Channel 4
The locomotive adventure chugs into France, as Paul drives a steam engine through the Riviera on the beautiful Train des Pignes (Pine Cone line), stopping off to have a go on a Solex motorised bicycle. Then: to Provence, in the cab of millionaire businessman Paul Ricard’s private line, for a spot of flamingo watching. LE

Taskmaster

9pm, Channel 4
Having just about recovered from meeting their teammate Kumail Nanjiani in week one (“He’s SO famous”), Amy Gledhill and Joel Dommett are more than happy to be held by him as he answers their questions about shapes and colours. Elsewhere, resident ray of sunshine Joanna Page lets us in on her favourite childhood tipple. LE

The Miniature Wife

10.15pm, Sky Atlantic
As this cheerfully absurd comedy-satire on marital gender imbalance continues, Les (Matthew Macfadyen) is desperately working to formulate a regrowth elixir for his shrunken wife, Lindy (Elizabeth Banks). In the meantime, what will their daughter make of the situation when she arrives home from college? Phil Harrison

Bergerac

9pm, U&Drama
“I think my mum killed Tony … because 12 years ago, she killed my father.” A shock accusation from Nicola, who begins investigating Monica (Lesley Sharp) while Bergerac (Damien Molony) thinks police corruption is involved at the highest level. Could Supt Richard Gibbon (Jonathan Aris) have tampered with drink-driving evidence to let Tony get off a manslaughter charge? Ali Catterall

Big Mood

10pm, Channel 4

Another double bill of the Nicola Coughlan-starring comedy about a young woman whose chaotic friendship group takes more managing than her bipolar disorder. A mix-up with meds means Maggie is ill-equipped to deal with a sauna-related crisis. After that, the great Robert Lindsay pops up as her estranged dad. Graeme Virtue

Live sport

Super League rugby: York Knights v Toulouse Olympique, 7.30pm, Sky One The two promoted teams compete.