Sheldon, Dr. Linkletter and Connie team up on a science experiment. Also, Mary is jealous that Pastor Jeff and Brenda are spending time together, and Georgie has a new side hustle.
Quest roles:
Matt Hobby(Jeff Difford), Ryan Phuong(Tam Nguyen), Melissa Peterman(Brenda Sparks), Sarah Baker(Sheryl Hutchins), Ed Begley Jr.(Grant Linkletter), Brian Stepanek(Hubert Givens), Wallace Shawn(John Sturgis), Adrian Moreira-Behrens(Donald)