ThunderCats was an American cartoon series produced and developed by Rankin/Bass Productions. It debuted in 1983 and was based on characters created by Tobin “Ted” Wolf. Pacific Animation Corporation provided the animation, this was the name of a collection of Japanese studios including Topcraft, a group who would later go on to form Studio Ghibli. The first season of the show aired in 1985 and comprised of 65 episodes, this was shortly followed by a television movie named ‘ThunderCats – HO!’ in 1986. The second, third and fourth seasons followed a new format of 20 episodes each, beginning with a 5-part story, these aired from 1987 to 1990.