When Joey gives his speech about being a parent at heart, his hair changes between shots.
During the "Keep On Knocking" number, the tenor saxophonist fingers do not appear to be moving when he is supposed to be "playing."
Stephanie (Jodi Sweetin) resumes wearing her hot pink wrist cast on her broken wrist after being missing for an episode.
When Little Richard sings at the Smash Club, the sound of people clapping to the beat does not match the actors' hand movements in several shots.
During one of the shots of Jesse on drums in the lower right, a camera can be seen at the end of Little Richard's piano.