Fashion’s Dirty Secrets, Stacey Dooley Investigates is on BBC One at 9pm.

The broadcaster, and Strictly contestant, examines the environmental impact caused by the trade in cheap clothing,.

Strangers is on ITV at 9pm.

Jonah goes undercover to find out, once and for all, whether David Chen is connected to Megan’s death.

Food Unwrapped is on Channel Four at 8.30pm.

Return of the documentary series. Kate Quilton learns the consequences of tipping waste cooking oil down the drain.

Old People’s Home for 4 Year Olds is on on Channel Four at 9pm.

The documentary returns for a five-part series. A group of children spend time at a retirement home on the outskirts of Nottingham.

The Walking Dead is on Fox at 9pm.

The US zombie drama returns for its ninth series. Rick and his group embark upon a risky journey to Washington.

Rich Kids Go Skint is on Five STAR at 9pm.

Wealthy 21-year-old Patrick, from Hertfordshire, moves in with a Salford woman and her two-year-old son.