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
UFO (TV series) element. The first Selectric was released in 1961, eight years before the series was produced. Two years after the 26 episodes were completed, the series was syndicated on American television and the ratings were initially promising enough to prompt ITC to commission a second season of "UFO". As the Moon-based episodes appeared to have proven more popular than the Earth-based stories, ITC insisted that in the new season, the action would take place entirely on the Moon. Gerry Anderson proposed a format in which SHADO Moonbase had been greatly enlarged to become the organisation's main headquarters, and pre-production on "UFO