Heartbreak High (1994)

S3E13 Episode 78

Andrew is surprised when an ex-girlfriend, Katerina, stops by on her way to a new research position in Antarctica. While Katerina takes charge of the Shark Pool solo for the evening, the rest of the crew is busy with a science project back at the warehouse. Their efforts are suddenly cut short when Matt gets electrocuted. In the aftermath, Andrew decides to take Dana up on her offer to join her research team, revealing his plans to leave Hartley.