The fifth Doctor Who Season Two episode The Reality War will air on BBC One and BBC iPlayer Saturday 31 May at 7:00pm.

Tight as a noose, strands that have drawn across seasons and centuries now pull together for a devastating climax.

As legends converge for battle, our brave, battered, beaten Doctor stands alone and helpless against the Unholy Trinity. Surely this is the end? Unless…

The Cast:

Ncuti Gatwa: The Doctor
Varada Sethu: Belinda Chandra
Millie Gibson: Ruby Sunday
Jonah Hauer-King: Conrad Clark
Jemma Redgrave: Kate Lethbridge-Stewart
Ruth Madeley: Shirley Anne Bingham
Bonnie Langford: Mel Bush
Alexander Devrient: Colonel Christofer Ibrahim
Yasmin Finney: Rose Noble
Michelle Greenidge: Carla Sunday
Angela Wynter: Cherry Sunday
Faye McKeever: Louise Miller
Aidan Cook: The Vlinx
Nicholas Briggs: Voice of the Vlinx
Anita Dobson: Mrs Flood

Written by Russell T Davies and directed by Alex Sanjiv Pillai, the 47-minute The Reality War transmits on Saturday 31 May at 7pm on BBC iPlayer and 7pm on BBC One in the UK. Those outside of the UK can stream The Reality War on Disney+ where available simultaneously starting at 2pm ET/11am PT.

Directly after the BBC One broadcast, Steffan Powell goes behind the scenes of The Reality War in Doctor Who: Unleashed on BBC Three and on the official YouTube channel where available at 8:00pm.