Martin Clunes delivers a nuanced, winning performance as Sherlock Holmes's creator, as this three-part serial based on Julian Barnes' novel continues.
In part two, Arthur starts to stir up trouble when he confronts the officers who investigated the case of the Wyrley Ripper - can he prove that George (Arsher Ali) is innocent?
Criminal Minds: Sky Living, 9pm
The Bau are back from mid-season hiatus, with Sky picking up season 10 from episode 11, 'The Forever People'.
The discovery of frozen bodies in Lake Nevada leads the FBI profilers to a dangerous cult, but Jj (Aj Cook) throws the case - and herself - into jeopardy when she recklessly confronts a serial killer on her own.
The Walking Dead: Fox, 9pm
Last week featured this dystopian drama's most shocking moment yet, as grizzled Rick Grimes *gasp* shaved off his mighty beard - where can