The Apprentice is on BBC One at 9pm.

The remaining candidates are tasked with becoming art dealers, selecting a contemporary artist’s work to sell at a gallery event in Glasgow.

Watchdog is on BBC One at 8pm.

In tonight’s edition of the consumer series, Rylan Clark-Neal asks if the booming high-street market for botox can be trusted.

The Secret Life of the Zoo is on Channel Four at 8pm.

A meerkat couple become parents for the first time, while a spider monkey finds it difficult to bring up her first daughter.

Trans Kids, It’s Time to Talk is on Channel Four at 10pm.

One-off documentary examining a significant rise in numbers of young people who are embarking on gender transition.

Celebrity Antiques Road Trip is on BBC Two at 6pm.

Former I’m a Celebrity contestants, Peter Andre and Joe Pasquale, travel around Kent in search of collectables to sell at auction.

Grand Designs, House of the Year is on Channel Four at 9pm.

Kevin McCloud takes a look at properties in the Extreme Houses category, including a house made from cantilevered boxes and a contemporary crofter’s cottage.