The science fair gets interesting when Mindy Crenshaw (Allison Scagliotti-Smith) returns to Belleview High, making for some tense competition as she tries to challenge Josh's project. Eric: Scott Halberstadt. Craig: Alec Medlock.

Drake and Josh come to the wild conclusion that Walter is having an affair

Drake's fear of commitment (and love of pretty girls) causes him to break up with Mindy (Allison Scagliotti-Smith), a decision he quickly regrets.