It's Trey's 21st birthday and Marissa, anxious to help Trey and Ryan forge a relationship, throws a birthday party for Trey at the Cooper-Nichol mansion that turns out to be a rager. Seth is left in hot water by both Summer and Zach, but why? Sandy wants to continue his friendship with Carter, leaving a confused Kirsten. Meanwhile, Julie shares some memories with an "old" friend and in the process learns a few things and gains a few ideas.
| Creator | Josh Schwartz |
|---|---|
| Actor | Peter Gallagher, Kelly Rowan, Ben McKenzie |
| Country | United States of America |
| Production | Warner Bros. Television |