

When Karen returns home one night, Kevin and Wayne's living arrangements are thrown into chaos. She's had a fight with Michael and they're not talking. Jack discovers that Michael had asked Karen to marry him, but she didn't want to do anything so traditional. Michael camps out on the Arnold family front lawn in the hopes of getting Karen back. Ten days later, Karen proposes to Michael herself.
The Arnold and Pfeiffer family go on a joint family trip. Kevin meets a wild young girl who smokes! Kevin and Cara have a good time together, so much so that he ditches dinner with his family to see her one last time - expecting to never see her again.