That's So Raven S04 E20 Teacher's Pet

"She can see the future. But she can't quite see what's coming next."

Raven's scheme to get a test postponed gets the new, hip young history teacher (Candace Cameron Bure) fired. Meanwhile, Cory auditions girls to find a new lead singer for his band, but "The Juicer" insists that he will be the new singer because he "sings like an angel".