Critics’ choice

Bake Off: The Professionals (Channel 4, 8pm-9pm)

New series. Professional duos from across the UK go head to head, aiming to impress judges and celebrated pastry chefs Cherish Finden and Benoit Blin, and progress to the next round. In the first episode, the teams must finely

The Durrells (STV, 8pm-9pm)

The family meets members of a travelling circus, and gets involved in helping them to drum up business. Larry falls in love with a contortionist, while Margo takes to the ring in person to perform a very dangerous act. Gerry is more concerned with making sure all of the animals featured in the show are well-treated. craft two batches of uniform miniature classics - 24 conversations and 24 tartes aux fruits - in just three and a half hours. This is followed by the Showpiece, in which a reinvention of the Black Forest gateau is required in five hours. Presented by former Bake Off contestant Liam Charles and comedian Tom Allen.

The Big Painting Challenge (BBC1, 6pm-7pm)

Mariella Frostrup and Rev Richard Coles present the final from Chatham’s historic dockyards, where the artists must paint a self-portrait for their first challenge. The finalists then receive individual masterclasses in the areas coaches Diana Ali and Pascal Anson feel they need help.

The Lord of the Rings: The Return of the King (ITV2, 6.10pm-10pm)

As hobbits Frodo and Sam near the end of their journey into the dark lands of Mordor to destroy the One Ring, the evil Sauron unleashes the full might of his armies on Middleearth. Conclusion of the fantasy adventure trilogy, starring Elijah Wood, Viggo Mortensen and Ian Mckellen.