The Charlie Brown and Snoopy Show (1983)

S2E4 Peppermint Patty's School Days

The episode follows Peppermint Patty as she faces ongoing challenges in her schoolwork. Meanwhile, Snoopy invents a new trick after his previous antics start to annoy the other kids. Schroeder finds himself uncertain about how to reach piano camp. In a show of friendship, the gang decides to fly him there on Snoopy's doghouse, turning the journey into an adventure.