Watch Www Xrysoi - Se The Big Bang Theory S01e03 H

Leonard is devastated after seeing Penny kissing another man in the hallway.

Encouraged by his friends to move on, Leonard asks out his colleague, Dr. Leslie Winkle (guest star Sara Gilbert). Their "date" consists of a clinical "test kiss" in the lab to see if they have chemistry; Leslie concludes there are "no sparks" and moves on. Watch www xrysoi se The Big Bang Theory S01E03 h

In the third episode of The Big Bang Theory , titled Leonard faces his first real romantic crisis and takes a clumsy but significant step in his pursuit of Penny. Plot Highlights Leonard is devastated after seeing Penny kissing another

This episode marks the first appearance of Leslie Winkle , who becomes a recurring rival to Sheldon. Their "date" consists of a clinical "test kiss"

Johnny Galecki (Leonard) and Sara Gilbert (Leslie) previously played a couple on the sitcom Roseanne .

A fan-favorite scene involves Howard and Raj testing Sheldon to see if he is actually a robot, using Isaac Asimov’s Three Laws of Robotics .