TV Comic the period between 1971 and 1973, when the strip was instead published in another Polystyle title, "Countdown/TV Action"). It also featured strip cartoons for the early puppet TV series produced by Gerry Anderson and AP Films—"Four Feather Falls", "Supercar" and "Fireball XL5"—until Anderson's titles became the focus of a rival publication, "TV Century 21". The 1960s issues are also noted as being the most collectable period in the comic's history. As well as "Doctor Who" and Anderson strips, other highly collectable material included "Telegoons" (which ran from 1963 to 1967), "Space Patrol" (from 1964 to 1965) and "The Avengers" (based
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,