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) everything which passed its periscope." Sangster and Condon argue that while elements such as the animal character, Oink, mean that "Stingray" is aimed primarily at children, it is the first Anderson series in which the "sophistication of the production" creates appeal for adults. They regard "Stingray" as "much less po-faced" than "Thunderbirds", with episodes that are "mercifully shorter, leading to tighter plotting and an engaging simplicity". Peel suggests that the "tongue-in-cheek humour that [Gerry] Anderson favoured probably reached its peak with "Stingray"." Media historian Nicholas J. Cull observes that through its depiction of the World Aquanaut Security Patrol (WASP), "Stingray"