Derren Brown: Trick or Treat - Season 2

Derren ambushes Glen, who agrees to compete in a Night of the Champions pub quiz. Can Derren convince Glen that he has a much better memory than he thought, and turn him into a genius in seven days?

Derren demonstrates the power of negative suggestion, to see if 19-year-old Lauren can resist killing a kitten, which is in a box wired up to the mains electricity. Disturbing and surreal content.

Actor David Tennant is ambushed by Derren while filming on location and agrees to undergo a series of experiments that have him experiencing the feeling of time-travel. Disturbing and surreal content.

Derren ambushes agency worker Angela and gives her a series of tasks to fulfil, to prepare her to face probably the most challenging experience of her life...

Derren attempts to transform IT worker Jason from a nervous doubter to a confident go-getter before he experiences a potentially embarrassing speed-dating event - twice - and faces a final surprise.

Experience the power of superstition as Derren executes one final twist on all of the previous participants - including David Tennant - at the end-of-series wrap party.