Sisters in Crime is episode 14 of season 5 of Full House.
While babysitting her sisters, D.J. decides to take them to the movies with her when her crush drops by unexpectedly. However, Stephanie & Michelle use all the money for snacks, leaving not enough money to pay for them. D.J. convinces Kimmy, who works at the theatre, to sneak them in, but they are caught by the manager. Later, D.J. concocts lies for her sisters to tell Danny, but eventually gets caught in her own web of deceit, and as a result, he doesn't just ground her, but all 3 of his daughters.