- Summary of First Chapter of Big Bang Theory - 

The Chapter began in high coefficent sperm banc, when Leonard and Sheldon entered in waiting room.
They decided it was a bad idea and they left the sperm banc.
Later they went back home and they saw the new neighbor of the apartment bloc, Penny.
They chatted about inviting her to lunch indian food, after that, they explainded about their job and theorys.
Penny told them about her problems and asked to take a shower in their bathroom, a few minutes latter Howard and Raj appeared in the apartment and she finished the shower.
She requested them a favor witch was to bring her things from her old flat.
Sheldon and Leonard agreed to and went in the penny's ex-boyfriends flat. He left them without trouses.
The chapter finished with all the main characters on  leonard's car.

They went to sperm banc to get some money
They didn't stay.
They spoke in the stairs.
They met Penny.
They invited her to have lunch and she accepted.
Penny was cryng and was take a shower.
Raj couldm't speak with Penny.
They went to Penny's ex-Boyfriends house to look for the Penny's TV.
They became back without trouses.
Penny invited them to dinner.