Derren Brown: Trick or Treat - Episode Guide

Having chosen a 'Trick' card, Richard is put to sleep in a photo booth in London and wakes up in Marrakech.

Derren's twisted take on Trick or Treat continues with Andy, an IT consultant who has his otherwise ordered world turned upside down by being given the experience of a split personality.

Non-poker-playing north London pensioner Anne is in for a treat as Derren teaches her to play Texas Hold 'Em poker and enters her into a professional tournament.

Steve is shown the darker side of London life by being given an opportunity to live life as a 'street madman'.

Yshani, a young Sri Lankan woman, selects a 'Treat' card. She's taught to play the piano to concert standard and performs a recital at Wigmore Hall after only two weeks of lessons with Derren.

Psychologist Jules chooses a 'Trick' card and finds herself witnessing her own death in a staged out-of-body experience.

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.