Sheldon has a fear of birds that overtakes him this week.
He tries to get rid of the bird on his ledge, but lets it in the apartment instead.
Amy and Bernadette come over to help him get over his fear.
Sheldon ends up loving the bird, but it flies away.
He gets the next and is raising the egg.
Leonard and Penny decide to go out together, but just as friends.
Leonard decides not to give into Penny because he doesn't need to since they won't be having sex.
He picks the movie and has her pay for her own ticket.
They go out to a restaurant and Penny ends up hanging out with another guy.
He starts talking to another girl, but then Leonard and Penny start spouting secrets about each other.
They go home and decide they did have fun hanging out as friends.
The Big Bang Theory Season:
The Big Bang Theory Season 5 Episode Number: