High Quality Content by WIKIPEDIA articles! Postcards from Buster is a children`s television series for children aged 6–12, containing both animation and live-action that originally aired on Public Broadcasting Service (PBS). It is a spin-off of the Arthur cartoon series. The show stars Arthur`s best friend, 8-year-old rabbit Buster Baxter. Inspired by a 2003 episode of Arthur entitled "Postcards from Buster", the television series was produced by Cinar (now known as Cookie Jar Entertainment) and Marc Brown Studios.