Sweet Valley High (1994)

Season 3: Episode 9

Jessica becomes more and more self absobed. She blurts out that Elizabeth and Cheryl have been planning a surprise birthday for Enid, with Enid there able to hear. Jessica has taken all the hot water, and borrowed her sister's clothes without asking. Elizabeth decides to pay her back for what she did. When Todd scores the winning points at a basketball game, his ego starts to spin out of control.