Fanderson is the official appreciation society for the work of Gerry Anderson, endorsed by Anderson Entertainment Limited, Gerry Anderson Productions plc, and ITC Entertainment Group Limited.

The club covers all of the Gerry Anderson television series and films, from the Supermarionation productions Supercar, Fireball XL5, Stingray, Thunderbirds, Thunderbirds Are Go, Captain Scarlet And The Mysterons, Thunderbird 6, Joe 90 and The Secret Service, through to the live-action productions Doppelgänger, UFO, The Protectors, Space:1999 and The Day After Tomorrow, as well as the more recent Terrahawks, Dick Spanner, Space Precinct, Lavender Castle and New Captain Scarlet, an incredible CGI-animated reworking of the original television series.