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