Accidentally on Purpose is an American television situation comedy series starring Jenna Elfman. It first aired on CBS during the 2009–10 season. and was produced by the CBS in-house production arm. The show is based on the book of the same name (ISBN 0061256927) by Mary F. Pols.

On May 18, 2010, CBS cancelled the series after only one season.

Accidentally on Purpose Season 1 Episode Guide

Watch a sneak peek of Accidentally On Purpose Season 1 Episode 15 “Back to School” airing Monday February 8 (8:30-9:00 PM, ET/PT)

Synopsis:
Accidentally On Purpose Season 1 Episode 15 “Back to School”- Billie invites herself to Zack’s high school reunion but worries that she can’t compete with his hot, ex-girlfriend in her pregnant state. Meanwhile, Olivia helps Abby host a party where they try to sell Abby’s miracle youth juice, on ACCIDENTALLY ON PURPOSE, Monday, Feb. 8 (8:30-9:00 PM, ET/PT) on the CBS Television Network.

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Watch spoiler photos of Accidentally On Purpose Season 1 Episode 11 “It Happened One Christmas” airing Monday, December 14 (8:30-9:00 PM, ET/PT).

Synopsis: Accidentally On Purpose Season 1 Episode 11 – Worried that she’ll ruin Christmas – as she has in previous years – Billie tries to hide from her parents the fact that Zack is living with her. Meanwhile, Abby’s husband, Nick, tries to impress their father, on ACCIDENTALLY ON PURPOSE, Monday, Dec. 14 (8:30-9:00 PM, ET/PT) on the CBS Television Network.

Watch a Promo of Accidentally On Purpose “Class” Episode 10 airing Monday, December 7 (8:30-9:00 PM, ET/PT).

Synopsis: Accidentally On Purpose “Class” Episode 10 – When Billie and Zack take instructional parenting classes separately due to their schedules, Billie goes with Olivia and Abby. However, the course quickly becomes a competition when Abby outshines Billie at all the tasks, on ACCIDENTALLY ON PURPOSE, Monday, Dec. 7 (8:30-9:00 PM, ET/PT) on the CBS Television Network.

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