High Quality Content by WIKIPEDIA articles! This is a list of episodes from the Atomic Cartoons animated television series Atomic Betty. In North America, the show airs in a half-hour format comprising two cartoons. Many areas outside of North America use a 15-minute format of only one cartoon. The second season premiere and finale are both two-part, half-hour episodes. The show ended in Canada on January 29, 2008 (the final episode initially aired in North America on January 6, 2011).