Partners in Crime (TV story)

Comment down below your problems with the first episode of the fourth series that includes the reintroduction of Donna Noble and Wilfred Mott and the first appearance of the Adipose.

Bringing Donna back was a great move. We've already had her introduction, so the series opener can dive straight into an already established Doctor/companion dynamic, but Donna is still unfamiliar enough to seamlessly expand upon as a character (e.g giving her a grandfather that was not previously mentioned)