Graduation is one of my favorites from Season 3, despite being part of the worst season. That being said, this season had a few good points. One is that Zack fails school and so attends Summer School. The next episode actually shows us that and Maddie's career of camping actually goes on for many episodes.
Anyways, Zack's part was funny. He was actually hilarious and I thought his scheme during the graduation to get his name called out was hilarious. This is the real Zack Martin! Cody was hilarious and him getting stomped by Barbara was hilarious. Kurt's moments in this episode are awesome and so makes a perfect premiere. Maddie's plot also had great moments and I thoroughly enjoyed the episode Overall!