Caillou is an educational children's television series which aired on Teletoon – with the first episode airing on the former channel on September 15, 1997 – until the fourth season. After that, it moved to Treehouse TV for season five. The series finale aired on October 3, 2010. It also aired on PBS and the PBS Kids Channel.

Jaclyn Michelle Linetsky was a Canadian actress who played the title character on Caillou and Megan O'Connor on 15/Love.