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
Stingray (1964 TV series) switch to colour filming was intended to increase the series' chances of being bought by a network in the United States, where colour TV broadcasts were already common. Sets were re-painted after NBC supplied APF with a list of colours believed to cause problems such as flaring or bleeding; according to Anderson, this was unnecessary because if filmed in Eastmancolour, a set "would appear on screen exactly as you had painted it." Nevertheless, some colours were avoided as they did not come out well in black and white. During the production of "Stingray", APF became the largest consumer of colour