Terror in New York City - S1-E4
Deliberate mistake: As Thunderbird 4 is shaken by the shockwave from the collapse of the Fulmer Finance building, water can be seen running down the outside of the aquarium positioned in front of the model set.
Thunderbirds (1964)
1 deliberate mistake in Terror in New York City - chronological order
Starring: David Graham, Ray Barrett, Peter Dyneley, Shane Rimmer
Audio problem: As John and Gordon are fitting the new component on Thunderbird 5, John says, "It looks like we'll be another two hours before we're back in business. In the meantime, International Rescue is non-operational." But he is voiced by David Graham, not Ray Barrett.
Terror in New York City - S1-E4
Trivia: When Thunderbird 1 touches down to land in New York City, look at the centre of the screen and you can see a brown building with a giant Swastika on it.