TV tonight: it’s the Insecure finale – and no one expects a happy ending

Insecure

9pm, Sky Comedy

After five unwaveringly excellent seasons, Issa Rae gives us the last ever episode of her Emmy-winning creation. Details are being kept under wraps, but the finale is bound to be an emotional one for the cast (Yvonne Orji, Jay Ellis, Natasha Rothwell) and fans. But nobody expects a neat, happy ending – this show celebrates life’s messy and grey areas, after all. Hollie Richardson

Worzel Gummidge: Twitchers

7.15pm, BBC One

Mackenzie Crook steps back into his straw-filled shoes for this continuing reboot – one that is warmly welcomed. This time, Worzel and his friends Susan and John have a pesky group of bird-watchers to deal with. HR

Royal Institution Christmas Lectures With Jonathan Van-Tam

8pm, BBC Four

One of the more reassuring presences of the Covid era, Prof Jonathan Van-Tam delivers the first of three addresses on the subject of viruses. A heist-themed look at immunity and a super-sized lateral flow test are among the educational stunts. Jack Seale

JFK: Destiny Betrayed

8pm, Sky Documentaries

Oliver Stone dives into the world’s most famous “whodunnit?”, which remains shrouded in conspiracy theories. In episode one of the four-parter, Stone examines the early formation of Kennedy’s foreign policy and builds a portrait of the leader he was. HR

Landscapers

9pm, Sky Atlantic

This mini-series, which features widely hailed performances by Olivia Colman and David Thewlis as two unlikely killers on the run, reaches its finale. Susan and Christopher take to the stand for a final chance to tell their versions of events from that fateful night in their home. HR

Mock the Week End of Year Special

10pm, BBC Two

Yet another comedy panel show runs the rule over the defining incidents of 2021. And what a year it has been: we sat at home and watched TV; we got vaccinated; we got pinged; we wondered whether to risk going on holiday. Dara Ó Briain, Hugh Dennis and pals will be attempting to find the funnies. Phil Harrison

Live sport

Premier League football: Arsenal v Wolves 12.30pm, Amazon Prime Video. Followed by a full day of fixtures.