Doctor in Distress
It's cringe-inducing, but if you are a fan of the series, it worth watch all of the way through to see the surprise cameos and so forth.
Then there is this next video. It's a recreation of a missing trailer for a most-missing serial:
Web of Fear trailer
It's worth watching for the rare audio, and for an amateur animation effort, it's not bad. But it's kind of creepy because the motion isn't quite right...