Flunk: The Sleepover is a new feature film exploring Heidi & Tabby's relationship. Still hurting after their breakup, Tabby's stunned when she comes face to face with Heidi at a friend's sleepover. Forced to spend the night together - can Tabby and Heidi put the past behind them? Or will they fall in love again? Brand new story taking place between Flunk seasons 2 and 3.