As with the 2010 series, the episodes will be aired 2 per week, meaning the series will run for 6 weeks. Episodes will premiere on Mondays and Tuesdays on CBBC before broadcast on Thursdays and Fridays on BBC One.
- The Nightmare Man by Joseph Lidster
- The Vault of Secrets by Phil Ford
- Death of the Doctor by Russell T Davies
- The Empty Planet by Gareth Roberts
- Lost in Time by Rupert Laight
- Goodbye, Sarah Jane Smith by Gareth Roberts and Clayton Hickman
Guests in Series 4 include Julian Bleach (The Stolen Earth‘s Davros) as the eponymous Nightmare Man, Laila Rouass (Primeval) as a UNIT officer in Death of the Doctor which of course also features Matt Smith as the Doctor and the return of Katy Manning as Jo Grant, with Cyril Nri turning up in Lost in Time.