According to Daniel O 'Brien , writer of SF : UK : How British Science Fiction Changed the World , the Thunderbirds title sequence encapsulate the reasons for the series ' enduring popularity . Dyneley 's countdown is particularly well remembered and have been widely quoted . Dean Newman of the Syfy channel website rank Thunderbirds eighth in a list of " Top 10 TV title sequences " , while Den of Geek 's Martin Anderson consider the sequence the best of any TV series .