Oldham's Thunderbirds Site – A site with an episode guide, lexicon, and some interesting interviews.
The Thunderbirds: GO Site – Tons of things like collectables, routes to stories and trivia.
The Space City Site – All sorts of neat thunderbirds information, as well as links to toys and other collectables.
The Rovers Tunderbirds Collections – For those who would love to collect Thunderbirds stuff, here’s your list.
Thunderbirds: The Database – Everything you would ever want to know about the Thunderbirds, real or imagined.