Grounded for Life (2001)

S2E15 Safety Dance

During the school dance that Sean and Claudia are supervising, Sister Helen stumbles upon Lily and Dean in a compromising situation, caught with a bottle of liquor while they kiss. Lily protests her innocence, claiming the alcohol doesn't belong to her. Both she and Sister Helen are shocked when the actual culprit is exposed. Meanwhile, Eddie has enlisted Walt as his enforcer, using him to intimidate his dubious business partners.