Walter: BBC One, 9pm
One-off comedy drama following detective inspector Walter Gambon, whose workload increases when he's handed the cases of an officer who recently committed suicide.
Helping Walter is detective constable Anne Hopkins, as together they track down a cop who's gone so far undercover nobody knows where he is.
The Great British Bake Off: An Extra Slice: BBC Two, 9pm
Hosted by Jo Brand, this new series presents a companion show to the BBC One baking contest.
As well as featuring unseen footage from the programme and an interview with the eliminated contestant, three celebrity fans will join Brand to discuss the episode.
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The Singer Takes It All: Channel 4, 9pm
Alan Carr hosts the singing show which gives the audience complete control. The viewers choose which singers perform on an 18-metre conveyor belt, and vote for who will go through, and who will be eliminated.
Carr is also joined in the studio by Paddy McGuinness.
Big Brother: Live Eviction: Channel 5, 9pm
Emma Willis reveals which two housemates haven't made it through to the final week.
There will also be coverage of the last 24 hours in the house, as well as a round-up of the week's events.
