Coach Beiste eloped with her boyfriend.
Will asked Emma's paremts if he could marry her and they said no because marriage is messy and she cant handle it. First he seemed to maybe agree with them. Then he proposed to her by having some people hand he rwhite roses and the glee club did a performance in the pool. She said yes.
Artie went on a date with Becky but decided that he didnt want to date her again.
Sam joined the swim team to get Mercedes back. When four of the girls sang a love song, Mercedes realized that she pictured Sam and not her current boyfriend.
Finn considered joining the army so that he could be like his father. Then he found out that his dad didnt die a hero, he od'd after being dishonorably discharged. Finn later proposed to Rachel, and the episode ended before she answered.