"Thunderbirds / 3AM" (titled "Thunderbirds Are Go" on some editions of the single and album) is a double A-side single by English pop rock band Busted. It was released on 26 July 2004 as the fourth single from their second studio album, A Present for Everyone (2003). "Thunderbirds" was not originally included on the album, having been written specifically for the 2004 film Thunderbirds, although it later appeared on a re-issue of the album in Europe. "Thunderbirds" was not released on an album in the United Kingdom until the release of the group's live album A Ticket for Everyone: Busted Live in 2005.

Thunderbirds Are Go is a British-New Zealand science-fiction television programme produced by ITV Studios and Pukeko Pictures. It is a remake of the 1960s television series Thunderbirds created by Gerry and Sylvia Anderson and is made using with a combination of scale model miniature effects and CGI created by Weta Workshop. In comparison to the 1960s series, the remake features updated character, vehicle and set designs while retaining many features from the original series.