A.P. Bio

Helen's surprising skill-set comes in handy for Jack's plot, but she's sorely missed in the office.

Jack has a real chance to get a book published. Meanwhile, Durbin deals with a blackmailing hacker.

A mysterious wad of cash upheaves Whitlock High while Jack wars with a menacing bird.

Principal Durbin turns into a power-hungry maniac after self-publishing Jack's philosophy book.

Mary, Stef and Michelle step up to help Jack through an embarrassing routine medical procedure.

Jack spends winter break alone in the school, missing his friends and losing his mind.

Jack is proud of Anthony for using him to lie about a secret hobby until he sees it for himself.

Jack's jealousy drives him to try to ruin the local holiday, Katie Holmes Day.