Brilliant physicist roommates Leonard and Sheldon meet their new neighbor Penny, who begins showing them that as much as they know about science, they know little about actual living.

Masturbation turns out to be Otis’s secret talent, but can he master his unruly desires for Ola? A chlamydia outbreak distracts the student body.

Leonard volunteers to sign for a package in an attempt to make a good impression on Penny, but when he enlists Sheldon for help, his attempt at chivalry goes terribly awry.

After Jean makes a cringey appearance at school, Otis tries his hand at pleasing Ola – and advising a hapless teacher. Fearless Maeve buckles.