[s1e12] School Dance Instant

: While not titled "School Dance," this episode features a pivotal scene where Jordan Catalano finally holds Angela’s hand in public at a dance, a major moment for their relationship. "Zoey 101" School Dance (TV Episode 2005) - IMDb

: Uniquely, this is the only episode where the opening theme song, "Follow Me," plays through the end credits instead of the usual instrumental or second verse. [S1E12] School Dance

: This episode is a major milestone for Chase Matthews . It marks the first time his feelings for Zoey directly drive his actions and cause friction between them. : While not titled "School Dance," this episode

If you were referring to a different series, here are other shows with similar episode titles or themes in their twelfth episode: : While not titled "School Dance