Daisy plans a walkout, but struggles to get all the Bayside kids to agree. Mac confronts his dad.

Zack is the new substitute teacher at Bayside. DeVante meets Nadia's parents.

Lexi pushes DeVante to audition for a boy band; Jessie encourages Kelly to apply to medical school.

Bayside takes part in the spirit competition. Mac asks Zack for the secret to beating Valley.