S4, E6: Casey and Cappie wake up together and Casey kicks him out of the house before anyone finds out, claiming that nothing can happen between them. Rusty wakes up from the party completely hungover, and unable to remember what happened. He finds red lipstick on his mouth, and sets out on a search with Calvin to find the mystery girl. Casey and Cappie meet up later and realize that they did not use protection the night before. Casey gets the morning after pill just in case. At ZBZ, the sisters are watching over faculty children during the big game, and Cappie comes over to help Casey, and to prove to her that he‘s matured. Rusty also divulges to Casey that Cappie declared a major. Later that night, Casey and Cappie share a romantic moment in the playground. Meanwhile, Professor Segal (Josh Randall) flirts with Ashleigh, who is still distraught about her undetermined future. Rusty, though a hero to the school for stealing the goat returns home unable to find the mystery girl. He finds Ashleigh there, getting ready for a date with Segal. An ensuing flashback reveals that Rusty was drunkenly comforting Ashleigh the night before, and they shared a quick kiss. Ashleigh then gets up and leaves for her date with Segal.