The fifteenth episode of Young Sheldon 's second season, titled originally aired on February 7, 2019 . The episode centers on two primary storylines: a rare academic dispute between Sheldon and his mentor, and Mary Cooper stepping into a leadership role at the church. The "Math Emergency"
. IMDb +1 Episode Summary The Conflict: Sheldon and Dr. Sturgis have their first major argument when Dr. Sturgis marks a question wrong on Sheldon's physics test. Sheldon insists his method for calculating a magnetic field is correct and more elegant, while Dr. Sturgis remains firm that Sheldon is wrong. Subplot: Mary Cooper steps in to take over administrative and pastoral duties for Pastor Jeff at the church while he is out sick. YouTube +3 Technical Details Title: A Math Emergency and Perky Palms Release Date: February 7, 2019 Runtime: Approximately 18–19 minutes Rating: TV-PG Resolution: Commonly available in young sheldon s02e15 720p