The Great Celebrity Bake Off is on Channel 4 at 8pm.

Comedian Tim Minchin, politician Ruth Davidson, Made in Chelsea star Jamie Laing, and singer Ella Eyre show off their baking skills.

Shetland is on BBC1 at 9pm.

Last episode of the crime drama. Perez faces the possibility that Duncan may have been involved in the murder of Lizzie Kilmuir.

Seven Year Switch on Channel 4 at 9.15pm.

The switched couples are challenged to re-enact a past argument, before being asked to discuss a private subject.

The World’s Ugliest Pets is on ITV at 8pm.

Actress Caroline Quentin goes in search of Britain’s least photogenic canine, to represent the UK at the World’s Ugliest Dog Contest.

100 Years Younger in 21 Days is on ITV at 9pm.

Last in the challenge series. The famous faces try to shave some much-needed years off their ages before the results are revealed.

Holby City is on BBC One at 8pm.

Ric finally stands trial, accused of manslaughter, and Ollie accepts the ultimate challenge from Roxanna.

Great Indian Railway Journeys is on BBC Two at 8pm.

Michael Portillo is on his rail travels once again, this time through India. In this first edition, he embarks on a journey from Amritsar to Shimla.