Grade A Cheater
- Episode aired Sep 11, 2007
- TV-G
- 22m
![Life with Derek (2005)](https://m.media-amazon.com/images/M/MV5BYTM4Zjk2MGYtZTM5Mi00ZGZjLTkxMGEtYWU5MGM0MDZkN2U4XkEyXkFqcGdeQXVyMTkzODUwNzk@._V1_QL75_UY281_CR4,0,190,281_.jpg)
Derek switches test papers with Casey, and then lures her into a scheme that will keep them both out of trouble.Derek switches test papers with Casey, and then lures her into a scheme that will keep them both out of trouble.Derek switches test papers with Casey, and then lures her into a scheme that will keep them both out of trouble.