BILLIE INVITES HERSELF TO ZACK'S FIFTH HIGH SCHOOL REUNION, ON "ACCIDENTALLY ON PURPOSE," MONDAY, FEB. 8

"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.

SERIES REGULARS:

Billie............................................ Jenna Elfman
Zack............................................... Jon Foster
Olivia......................................... Ashley Jensen
Abby....................................... Lennon Parham
Davis........................................ Nicolas Wright

GUEST CAST:

Ryan............................................... Pooch Hall
Melissa........................................ Julianna Guill
Tracy..................................... Vanessa Lengies
Liz............................ Kimberly Kevon Williams
Girl #1.................................. Janelle Velasquez
Girl #2................................ Heather McCallum
Donny........................................ Nick Heyman

WRITTEN BY: Franklin Hardy & Shane Kosakowski

DIRECTED BY: David Trainer

RATING: TVPG-DLS