Drake's new girlfriend turns out to be a very tough cookie; the typically smooth Josh has trouble impressing Mindy's parents.

Megan promises to cease pulling pranks for three months if Drake and Josh agree to house the sheep she adopted. It seems like a good deal to the boys, until they discover what damage an unpenned sheep can do.

Megan and her classmates quickly become fed up with a new, very strict teacher: her big brother Josh. Meanwhile, Drake sees an opportunity to get a brilliant young drummer to join his band.