Sylvia Anderson first episode of a series then sharing the work according to their strengths. Gerry tended to specialise in special effects and hardware, and Sylvia in character, voices, costume, dialogue, and plotlines. In this way, Anderson contributed plot development and voice work for a series of half-hour shows including "Supercar", "Stingray" and "Fireball XL5". However, she felt the half-hour format was insufficient to fully develop characters and stories, and she persuaded the team's TV producer Lew Grade to extend their shows to a full hour. In the early 1960s, the Andersons co-created the series "Thunderbirds", and Sylvia created the characters. She
Thunderbirds (TV series) to the puppets". "Thunderbirds" has been praised for the quality of its effects. Jim Sangster and Paul Condon, writers of "Collins Telly Guide", consider the model work "uniformly impressive". To Paul Cornell, Martin Day and Keith Topping, writers of "The Guinness Book of Classic British TV", the effects are "way beyond anything seen on TV previously". Impressed by their work on "Thunderbirds", film director Stanley Kubrick hired several members of Meddings' staff to supervise the effects shooting for "". The series' title sequence, storyboarded by Gerry Anderson, is made up of two parts. It opens with a countdown of "5,