Sherlock: BBC One, 9pm
Benedict Cumberbatch and Martin Freeman return to primetime BBC One with one of the most talked about programs of the past year. Two years after his supposed demise, Holmes returns just as London is threatened by a huge terrorist attack. Though delighted by the return of his best friend, Watson is worried about the impact it might have on his new romance.
David Attenborough's Natural History Museum Alive: Sky 1, 6.30pm
Sir David Attenborough's special effects spectacular sees him lying in wait to encounter some animals that he's never encountered before, for good reason - they're extinct. These animals have been exhumed by the latest computer technology and re-imagined in vivid 3D.
David Blaine: Real or Magic?: Channel 4, 9pm
Returning to the street magic that made his name, the acclaimed illusionist mystifies a host of celebrities including Jamie Foxx, Ricky Gervais and Katy Perry. He also visits Professor Stephen Hawking at his office at Cambridge University to create astonishing illusions featuring misdirection and prestidigitation.
