Corrected entry: During the bridge scene, a host's halo brushes The Doctor's right arm, but goes nowhere near his left, which The Doctor then grabs as if he'd been hit there.
Corrected entry: There in a noticeable gap between the second and third funnels on this Titanic. The original had even spacing between all four funnels, as does the model on Max Capricorn's desk.
Correction: How on earth is this a mistake? The Titanic in this episode is a spaceship with a nuclear storm drive, so there might be a gap for some engineering reason. And the model is not meant to be a completely accurate model, there are small discrepancies in most model ships.
Corrected entry: In this episode, Mr. Copper was played by Clive Swift. To those who are familiar with British television, among other works, he played the long-suffering husband Richard Bucket (pronounced Bouquet) to his over-bearing wife Hyacinth in the sit-com Keeping Up Appearances.
Correction: Naming an actor who is credited for the show is not trivia unless there's some connection with his or her former work.
Correction: It does hit his left arm you can see the blue "sparks" on his left arm. Also it doesn't touch his right arm.