- Jodie Whittaker (The Doctor)
- Mandip Gill (Yasmin 'Yaz' Khan)
- John Bishop (Dan Lewis)
Episode: Children in Need: Time Crash
Air Date: 2007-11-16
Runtime: 8 min
After Martha says goodbye to the Doctor and leaves, he is surprised to find a problem with the TARDIS. Suddenly, a man materializes - the Fifth Doctor. But why's he here, and what's happened to the TARDIS?