Friday 9.30pm, BBC One Greg Davies returns with the third series of the sitcom in which he plays crime-scene cleaner Paul “Wicky” Wickstead. Rather like Inside No 9 , which it resembles in that the show is essentially an anthology with a different story and set of characters (Wicky aside) each week, it’s hard to reveal much about the plot.

Suffice to say that, in the opening episode of this new series, Wicky arrives at the house of old school friend Justin. The house in question happens to be a huge mansion (“that is too much house”) with Wicky tasked with cleaning up after an accident involving a grand piano. Rosie Cavaliero and Ben Willbond ( Ghosts ) guest star.

8pm, BBC Two Monty Don gives his top tips on how to keep lawns looking their best throughout autumn, tidies up the pond, and plans ahead for a colourful spring display by potting up some hyacinths. Meanwhile, Rachel de Thame visits a collection of asters near Worcester. 8.

15pm, PBS America The extraordinary story of Witold Pilecki, a Polish army officer who joined the resistance against the Nazis and managed to infiltrate the Auschwitz death camp to smuggle out information – in the process becoming the first man to inform the Allies about the reality of the Holocaust. He also had an audacious plan to start an uprising from inside the camp to free the prisoners. 9pm, BBC Two This welcome reappraisal of Elizabeth Taylor (produced by Kim Kardashian, who also contributes as a famous woman who identifies wit.