This really does break my heart, cause you tend to forget that the Doctor was a dad once. And then you realized that he had a wife and kids, and he destroyed Gallifrey. Doctor Who punctures your heart, people.
Doctor Who - Harry Potter Actor Crossovers. The first one is showing the wrong actor! Adrian Rawlins was the science ist in the episode. And they forgot John Hurt (Mr. Ollivander/War Doctor) and Mark Williams (Arthur Weasley/Rory's dad)