Get your first look at Monday’s all-new The Big Bang Theory episode titled The Bachelor Party Corrosion below!
The guys’ science skills are put to the test when they get a flat tire during Leonard’s bachelor-party weekend in Mexico, and the girls force Penny to finally tell her family that she eloped with Leonard in Episode 3 (“The Bachelor Party Corrosion”) of Season 9.
Watch this all-new episode Monday night on CBS!