WMSN-DT

Sheldon tries to stay awake with an energy drink as the gang races to finish its government project on time; Penny and Amy attend a gathering at Bert the Geologist's house; Koothrappali learns Bernadette's true feelings about her pregnancy.

Phil buys a car without consulting Claire; Jay is on a mission to get to his high-school reunion with Gloria and Manny; Lily loses her favorite toy on a train.