A.P. Bio

Jack (Glenn Howerton) is incensed when his dead mom's former lover (guest star Michael Gross) shows up and suggests they commemorate her birthday. Jack taps his students to help him retaliate, but the students' hands are already full - of crying robot babies. Stef's (Lyric Lewis) kindness toward Dale (guest star Ron Funches) the janitor sends the wrong signals.

When Jack (Glenn Howerton) casually gives Durbin (Patton Oswalt) some marriage advice, it backfires, gets Durbin kicked out of the house, and Jack takes him in. The A.P. Bio kids tell Jack if they can get Miles' (Tom Bennet) DNA, they'll learn a little biology while pulling off the ultimate revenge.

When one of Jack's (Glenn Howerton) students anonymously reports him for canceling their much-anticipated fetal pig dissection, he sets out to find the snitch. Durbin's (Patton Oswalt) chances at Principal of the Year are in jeopardy when the superintendent visits.

Jack (Glenn Howerton) successfully convinces Miles (Tom Bennett) that Devin (Jacob McCarthy) is his illegitimate son. Durbin (Patton Oswalt), Mary (Mary Sohn), Stef (Lyric Lewis) and Michelle (Jean Villepique) clash on the Sadie Hawkins dance theme.

Jack (Glenn Howerton) takes interest in a revenge mission on behalf of the A.P. Bio kids. Mary (Mary Sohn), Stef (Lyric Lewis) and Michelle (Jean Villepique) believe they've discovered an otherworldly presence at Whitlock.

With no archrival to combat, Jack sets his sights on a new mission: write the most brilliant philosophy book ever and get out of Toledo for good. Stef and Mary forget a special day for Michele. Helen forgets to order routine maintenance for the copier causing mass hysteria at Whitlock.

Jack is offended when he discovers a local church received a sizable bequest from his dead mother and used it to by a Virgin Mary statue. In an attempt to get revenge, he ropes his students into helping him steal the statue. Meanwhile, Mary, Stef and Principal Durbin attempt to give the right advice to Michelle who is having marital issues at home, but she ends up getting comfort from an unexpected source.

In the hectic thirty minutes that start every day at Whitlock, Jack tries to retrieve his massage chair from Whitlock's intriguing payroll accountant, Lynette. Durbin and Helen prepare for the morning announcements, Michelle gives a eulogy, and Mary and Stef fix an art emergency.

Jack is aghast to learn he didn't make the Top 10 in Toledo's Top 100 bachelors, and Durbin did. Meanwhile, Victor and Eduardo decide it's time to reveal their feelings to their unexpected crushes.

Jack uses Michelle's annual murder mystery party to impress Lynette. Meanwhile, in a moment of desperation, the students break into Whitlock High to steal the A.P. Bio practice exams.

Jack's war with his neighbor reaches a turning point when it threatens to ruin a date with Lynette. And when the school photographer ups his rate, Durbin takes school pictures into his own hands.