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Episode 4.22 - "My Big Move"

Scene: Janitor's new uniform gets him noticed.
"Come On Get Happy" by The Partridge Family. Album: 'Partridge Family: Greatest Hits', et al.

Scene: End - Everybody sacrifices, including J.D., who announces his big move.
"Don't look Away" by Josh Radin. Album: 'First Between 3rd & 4th'