The Perils of Penelope - S1-E3
Deliberate mistake: When Thunderbird 2 lands at the Anderbad Train Station, part of Thunderbird 2 catches fire.
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.
Deliberate mistake: When one of the yellow fire trucks moves away from the burning Thompson Tower, the back of the truck is set alight by the flames.
Move - And You're Dead - S1-E20
Deliberate mistake: Throughout Thunderbirds, when the script required objects to be manipulated, there were cutways to close up 'insert' shots of real human hands - usually of the puppeteers/crew. However in this episode, Alan's close-up (i.e. live action) hand is remarkably hairy with very dark hair. Yet Alan Tracey is supposed to be 21 and blond haired (including the hair on the back of his hands).
Deliberate mistake: When Selsden and Malloy try to open Penelope's safe, the bulb in Malloy's torch gets so hot that the prop torch begins to smoulder.
