While attending the birthday party with Sue, Ethan is horrified when he realizes the birthday girl is Oprah and his former classmates are in attendance and likely to reveal his identity. Meanwhile, Holly and Perry forget to confirm the puppet people for their party, forcing Perry to improvise by singing. Also, Richie reveals a major secret to Duncan and Nicole.
A group of twenty-somethings who were third-grade classmates are reunited at a surprise party 20 years later. What will happen when they find out what each other's lives are like now?
The Class - The Class Celebrates a Birthday Synopsis and Schedule