Heartbreak High - Season 3 Episode 13 Episode 78 Welcome to Hartley High.
Overview: An old flame from Andrew's past visits him en route to her new research job in Antarctica. While Katerina spends the evening managing the Shark Pool on her own, the rest of the gang works on a science project at the warehouse. Their work however comes to an abrupt end when Matt is electrocuted. Andrew accepts Dana's offer to join her research team and announces his departure from Hartley.