A few months ago, physicist Harold White stunned the aeronautics world when he announced that he and his team at NASA had begun work on the development of a faster-than-light warp drive. His proposed design, an ingenious re-imagining of an Alcubierre Drive, may eventually result in an engine that can transport a spacecraft to the nearest star in a matter of weeks — and all without violating Einstein’s law of relativity.
"Oh, I say!" - Harry delivers one of the best ever ‘first entering the TARDIS’ reactions in the history of Doctor Who.
Robot - Season 12 - 1974/5
Also; love the way the Doctor indignantly snatches back Harry’s half-eaten Jelly Baby and throws it back into the bag! Harry does not believe in the TARDIS, therefore Harry does not deserve a Jelly baby!
Also also; love Sarah Jane’s face as she eavesdrops at the TARDIS door.