Nick and Schmidt argue over celebrating their 10th anniversary as roommates while Jess and Winston compete for a football star's affection.
Liv attempts to play matchmaker, helping Willow make Joey jealous by asking Artie to the Sadie Hawkins dance instead.
Brittany steps up to her class president status and organises the senior prom complete with dinosaur theme. Meanwhile, Quinn launches an assault to be prom queen too.