![](https://image.tmdb.org/t/p/original/ycFHd4TYlkB5x4UF3ZsaZgtyKvS.jpg)
![](https://image.tmdb.org/t/p/w342/m8ACo2NVcTBz2HF7VxhKdtLd9sG.jpg)
Codename: Grades
Tim attempts to fine-tune his computer hacking skills at work, and later ends up putting them to good use by changing Marcus's school grades.
![](https://image.tmdb.org/t/p/w300/gll8SjjHDRGAxJBLkwir0Pi9ky4.jpg)
Other episodes for this season
![Codename: Loser](https://image.tmdb.org/t/p/w300/mPpBDHWzbgIi2l2Ji7Rv3uTN9tI.jpg)
![Codename: Tramp](https://image.tmdb.org/t/p/w300/cYYtqJxwgDYDQKIQgIJJQmnxrJ0.jpg)
![Codename: Grades](https://image.tmdb.org/t/p/w300/ycFHd4TYlkB5x4UF3ZsaZgtyKvS.jpg)
![Codename: Bookclub](https://image.tmdb.org/t/p/w300/yRtxMIztZ2ea13G8f6toskNDNJd.jpg)
![Codename: Blood](https://image.tmdb.org/t/p/w300/cRiKEM9xpl1YA3yFV6Ha1vFKFSr.jpg)
![Codename: Portis](https://image.tmdb.org/t/p/w300/2aPT6extRfzBu1Fv7xABFCYS5OV.jpg)
Tim attempts to fine-tune his computer hacking skills at work, and later ends up putting them to good use by changing Marcus's school grades.