- Jodie Whittaker (The Doctor)
- Mandip Gill (Yasmin 'Yaz' Khan)
- John Bishop (Dan Lewis)
Episode: Boom Town
Air Date: 2005-06-04
Runtime: 43 min
The Doctor, Rose and Captain Jack stop off in present-day Cardiff to recharge the TARDIS on the Rift they formerly encountered in 1869. Whilst there, they come upon a since-thought-long-dead enemy of theirs, who is hatching yet another plan to destroy Earth.