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.
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 . Watch www xrysoi se The Big Bang Theory S01E03 h
Sheldon points out that Penny hasn't actually rejected Leonard because he hasn't asked her out yet. Leonard summons the courage to invite Penny to dinner, but she mistakenly believes it is a group outing with the whole gang. Encouraged by his friends to move on, Leonard