The best of tonight’s television
■ BEST DOCUMENTARY Searching for Shergar BBC One, 9pm
Alison Miller sets out to discover the true story behind the disappearance of champion racehorse Shergar, which was stolen from the Curragh in 1983.
■ PROGRAMME OF THE DAY Humans Channel 4, 9pm
Laura has organised a tense visit to the Railyard by the Dryden Commission, but Agnes’s anger may jeopardise its success. Meanwhile, when Mia comes face to face with Ed, she’s forced to confront her past, and an evening out has tragic consequences for Sam, Karen and Joe. With Gemma Chan, Ruth Bradley and Katherine Parkinson.
■ BEST DRAMA Billions
Sky Atlantic, 9pm
While Axe assesses his employees’ worth at a series of year-end meetings, Chuck’s plans for a dangerous sting are distracted by a friend in trouble. Damien Lewis stars.
■ MOVIE OF THE DAY The House
Sky Comedy, 8pm
When their daughter’s scholarship falls through, two desperate parents turn their house into a casino to raise money. With Amy Poehler and Will Ferrell.
■ WATCH BACK Carry on Brussels All 4
With all of the UK’s 73 MEPs staring down the barrel of redundancy, their thoughts are turning to what they might get up to after Brexit.