Thun‧der‧birds /ˈθʌndəbɜːdz $ -dərbɜːrdz/ trademark
a 1960s British television programme for children in which the main characters, played by puppets, are brothers who work for an organization called International Rescue and save people in danger using special aircraft and other vehicles, called Thunderbird 1, Thunderbird 2 etc. The programme begins with the words ‘Thunderbirds are go!’

[TahlilGaran] Dictionary of Contemporary English ▲