Leonard has had an on-again, off-again relationship with Penny over the course of the show; at the start of this season, their relationship is a little cool after Leonard proposed marriage to her during sex. Leonard also dated Priya, the sister of Raj, but that is definitely off.
I should mention that Leonard seems to view the "depth" of his "romantic" relationships by how easily he can sex with the ones he is dating. This complete awkwardness in his "romances" is part of the ongoing humor of the show.
No.
Leonard's IQ on the Big Bang Theory is about 180. In the pilot episode, Penny asked Leonard and Sheldon to retrieve her TV from her ex's house. When they get to the door, Leonard says "We have a combined IQ of 360."
She was the woman Penny saw her ex-boyfriend proposing to in a restaurant while on a date with Leonard.
The character of Leonard Hofstadter is played by Johnny Galecki.
In "The Big Bang Theory," Sheldon and Leonard live in Pasadena, California. Their apartment's postcode is 91101. Throughout the series, this location is frequently referenced as part of the show's setting.
Yes, there will be a season 6 of The Big Bang Theory, but there is not yet an air date.
Penny is the woman who lives next door to Sheldon and Leonard, she works in the Cheesecake Factory and has a small acting career. She also dates/ dated Leonard.
Leslie
physicist Sheldon is a theoretical Physicist and Leonard an experimental Physicist.
Uh.... I don't understand your question. I don't remember an episode of "The Big Bang Theory" in which Sheldon and Leonard did that to each other.
As of February 2012, "Big Bang Theory" airs on CBS Thursday nights.
Leonard's girlfriend in "The Big Bang Theory" is Penny, who works as a waitress and aspires to be an actress. Their relationship evolves throughout the series, starting as friends and eventually leading to marriage. Penny's down-to-earth personality contrasts with Leonard's nerdier traits, creating a dynamic and often humorous relationship.