26K views · 975 reactions | The first season of Thunderbirds completed its first run on British television on March 31st 1966, with the broadcast of the clip show episode Security Hazard! Although it recapped some of the most popular rescues of the series, is this episode one of your favourites? #Thunderbirds #gerryanderson #sylviaanderson #internationalrescue #fireflash | Official Gerry Anderson | Facebook

UK fans have just one day left to wait until Thunderbirds (including the 3 50th anniversary episodes), the original Captain Scarlet, UFO and Space:1999 arrive in their entirety for streaming on Britbox - but which episode will you be wanting to watch first? | Official Gerry Anderson