TV tonight: The Couple Next Door is a steamy new thriller about swingers

The Couple Next Door

9pm, Channel 4

Swingers! Sexy barbecues! Hugh Dennis as a creepy yoga fanatic! Here’s a juicy, farcical thriller to have some fun with. “Hello suburbia!” swoons Pete (Alfred Enoch) as he arrives at his new home with his pregnant wife, Evie (Eleanor Tomlinson). When their neighbours Becka (Jessica De Gouw) and Danny (Sam Heughan) pop over to say it’s “so good to have some new young blood on the street”, trouble is clearly ahead. Hollie Richardson

Dad’s Army: The Animations

8pm, Gold

The series that restores lost episodes of the beloved sitcom via audio recordings and appealing animation wraps up with two joyful sketches conceived as bite-size festive treats. In the first, a platoon drill on Christmas morning is disrupted by an invasion of Santas; the second involves a typically chaotic choir rehearsal. Graeme Virtue

Julius Caesar: The Making of a Dictator

9pm, BBC Two

Everything you want to know about Julius Caesar’s brazen power-grab of Rome is here in this three-part documentary series. Historians recall the story in great detail, while Rory Stewart lends a modern political perspective. It starts with Caesar’s friction with the elite – especially Cato, who is hellbent on bringing him down. HR

The Gilded Age

9pm, Sky Atlantic

Cynthia Nixon’s Ada is giving it the full Sex and the City this week. With Ada knowing her sister doesn’t approve of her dates with Mr Forte, she needs to decide whether to carry on the romance or put her family first. But does Agnes want her to be a spinster for ever? Hannah Verdier

Grime Kids

10pm, BBC Three

The grime scene origin story, based on DJ Target’s early-00s memoir, is bopping along nicely, with garish garms from the back of Tommy’s van and even a smooch for Dane. But as the crew’s big night approaches, Kai is feeling the pressure to perform. “You’re an MC, right? Spit something!” Ellen E Jones

Walter Presents: Off Season

12.05am, Channel 4

This French serial killer thriller follows Swiss detective Sterenn Peiry, who finds a woman’s body buried in the snow – and then another one on the other side of the French border. She joins forces with her French counterpart to track down the killer. (All episodes will be available to stream after this first episode.) HR