What to watch this week.
Manchester primary school teacher Gemma Hillman goes missing and DCs Martin Young and Stella Beckett are given the task of putting her boyfriend - the prime suspect - under surveillance. Clarke sets up his observation post in the home of single mum and secret voyeur Zoe Sterling, whose windows offer a panoramic view of Westbury Square and the home Gemma shared with Greg Sullivan.
Monday, BBC Two
John Humphrys asks the questions for the last time as six contestants take to the famous black chair in the final of the quiz, with specialist subjects of Shackleton's Antarctic expedition of 1914-17, Cole Porter, the Vienna Secession, Jimmy Carter, Flanders and Swann, and the films of David Cronenberg.
How To Save A Grand
Monday, Channel 4
Anna Richardson and a team of cost-cutting experts offer viewers tips on saving money and sorting out their homes, beginning by helping a London family of six with their bills.
This Time With Alan Partridge
Friday, BBC One
Now the main man on BBC magazine show This Time, Alan is relishing his career Indian summer. However, with rumours of changes behind the scenes, he begins to wonder if his position might already be in jeopardy.
Friday, BBC One
When law-abiding space cop Ash Harper is convicted of a crime she did not commit, she is sentenced to exile and loaded onto prison spaceship the Hemlock. Her mother Rebecca, who is head of galactic security, is determined to prove her daughter's innocence and bring her safely home, but any hopes of a reunion are dashed when Ash's fellow convicts overthrow the guards and hijack the Hemlock.