Donna becomes a nervous wreck after her parents announce their decision to separate, and Noah tries to help Donna find out why her parents would want to end their marriage. Matt and Dylan team up as pool sharks and end up in a bar fight with some disgruntled losers. Meanwhile, David befriends Sonny Sharp, a former top radio DJ, whom he tries to help make a comeback. Janet and Steve baby-sit Peter, an 11-year-old child prodigy with big college plans. Gina lies about her relationship with a movie celebrity while house-sitting for the person. Also, Kelly finds a truth about her feelings for Dylan after admitting her feelings for him on a live stage while under hypnosis which prompts a cold response from both Matt and Gina.