- Previous episode S02E14 - David, Goliath, and a Yoo-Hoo from the Back
- Number S02E15
- Director Jaffar Mahmood
- Writers Chuck Lorre, Steven Molaro, Jeremy Howe, Tara Hernandez, Connor Kilpatrick
A Math Emergency and Perky Palms
Sheldon and Dr. Sturgis have their first fight when Dr. Sturgis marks a question wrong on Sheldon's test. Also, Mary takes over for Pastor Jeff when he's out sick.