Sheldon becomes jealous of a 15-year-old physics prodigy, so he and Leonard come up with a plan to sabotage the young man's research. ~ Bill Ecklund, All Movie Guide

Sheldon gets sick, but the guys refuse to take care of him because he's such a bad patient, which leaves an unsuspecting Penny to nurse him back to health. ~ Bill Ecklund, All Movie... Full summary

Leonard lies to Penny to avoid hearing her sing a second time, but Sheldon extends the lie, which makes things worse, leading Leonard to produce a nonexistent cousin (D.J. Qualls). ~... Full summary

Sheldon and Leonard are asked to a physics conference to present their work together, but that leads to a feud because Sheldon's too arrogant to share the honor. Penny does her best to... Full summary

Koothrappali is overwhelmed when his parents arrange a blind date for him, but after a few drinks he discovers he can actually talk to women. Unfortunately, his gorgeous date is more... Full summary

Penny temporarily sleeps on Leonard and Sheldon's couch when Wolowitz romances her friend and the lovers take over Penny's apartment. The guys find a big void in their activities... Full summary

Leonard and Sheldon and their friends attend Penny's Halloween party. ~ Bill Ecklund, All Movie Guide

Leonard has a one-night stand with fellow scientist Leslie Winkle. ~ Bill Ecklund, All Movie Guide

Faced with a life without physics when he gets fired, Sheldon resorts to weaving ponchos, forcing a worried Leonard to call Sheldon's mother for help. ~ Bill Ecklund, All Movie Guide

With the encouragement of his friends, Leonard gathers his courage and asks a woman out on a date. ~ Bill Ecklund, All Movie Guide