Episodes categorised as 'Drama: SciFi & Fantasy' available now on BBC iPlayer

When the Doctor meets another Doctor, the two must combine forces to stop the CyberKing.

13/13. After landing on the burning surface of Venus, Zoe walks toward a sound only she can hear.

12/13. It's the day of the Venus landing, an event that will alter the lives of all involved.

11/13. The crew members of the Antares confront the loneliness and isolation of space.

10/13. The Antares crew is still coming to terms with the events that transformed the mission.

13/13. As Davros and the Daleks threaten the universe, the Doctor's companions join forces.

13/13. Will Arthur and Merlin find Balinor in time to save the kingdom?

12/13. Earth's greatest heroes assemble to fight the New Dalek Empire.

9/13. As the Antares draws closer to Venus, the mysterious secret in Pod 4 is finally exposed.

12/13. Gaius fears that a sorcerer has revived the deadly Knights of Medhir.

11/13. Ruthless warlock Alvarr attempts to reclaim the Crystal of Neahtid with help from Mordred.

10/13. King Alined wants war and is prepared to do anything to make it happen - even magic.

9/13. Merlin helps the beautiful druid girl Freya escape from a bounty hunter's cage.

8/13. A mysterious warrior challenging Arthur to a duel starts a devastating chain of events.

7/13. Determined to rid Camelot of magic, Uther summons the most feared witchfinder in the land.

6/13. As Queen Catrina's true troll nature surfaces, her influence over Uther increases.

5/13. Uther is captivated by the beautiful Lady Catrina, who Merlin suspects to be a troll.

4/13. Gwen is mistaken for Morgana and kidnapped. Arthur heads out to fight for her freedom.

3/13. Morgana becomes terrified that she has magical powers. Merlin knows she needs the truth.

2/13. Merlin helps Arthur disguise his identity to enter a jousting tournament.

1/13. New servant Cedric muscles in on Merlin's position as Arthur's right-hand man.