Penny: I just want to know why a five-year-old boy puts on his mom's make-up and wears balloon boobies.
Leonard: They weren't boobies, they were muscles. And the make-up was green, I was pretending to be The Hulk.
Penny: You were wearing her bra.
Leonard: That was to keep my muscles from sagging. Can we please stop talking about this?!

Leonard: Did you get to the chapter where she staged the Easter Egg Hunt with no eggs to see how long I'd keep looking? The answer, by the way, June.

Leonard: Ooh, Gasex has a new ultra-strength. I guess they really do read their mail.

Sheldon: Hey, isn't that Professor Proton?
Leonard: Oh, yeah.
Sheldon: Look at him just standing in line, like he wasn't moderately famous thirty years ago.
Sheldon: Let's go say hello.
Leonard: Oh, maybe we shouldn't bother him.
Sheldon: I'm not going to bother him. I'm going to talk to him.
Leonard: He thinks there's a difference.

Leonard: I haven't seen him this stuck since he tried to figure out the third Matrix movie.

Howard: I already found a guy online who is willing to sell.
Sheldon: How do you know this isn't a sting operation set up by the Comic-Con police?
Leonard: The same way I know the people in the TV set can't see me.

Raj: Since Sheldon isn't coming to Comic Con with us, why don't we dress up as some sort of trio?
Leonard: Or we could just be the Fantastic Four and tell everyone that the Invisible Girl is standing right next to us.

Bernadette: It just seems silly for us to sit in two groups.
Leonard: It's not silly if you think of that group as being led by a big, evil baby.

Leonard: I'm fine. How are you?
Beverly Hofstadter: Menopausal.
Leonard: Now I'm less fine.

Leonard: I don't know. The bisexual, gorilla, go-go dancer in Schindler's list is tough to beat.

Beverly Hofstadter: Let me save you all of your hemming and hawing. Sheldon already told me that you and Penny are engaged.
Leonard: I hate that you talk to him more than you talk to me.
Beverly Hofstadter: Would you like for me and you to talk more?
Leonard: You know, it's probably fine.

Leonard: I'm gonna see where he is.
Penny: How?
Leonard: I know his password so I can track his phone.
Penny: You do that?
Leonard: Not always. But ever since he wandered off at the swap meet chasing a balloon, I get worried.

Leonard: Sheldon, I'm going to miss you.
Sheldon: Of course you are.
Leonard: You just made that easier.

Penny: Or maybe, now that I'm no longer an out-of-work actress who can't pay for her own dinner, that makes you a little insecure.
Leonard: I can't believe you would say that. You know how insecure I am about my insecurities.

Sheldon: I was not panicked, and I am not overly attached to Leonard.
Leonard: You were so worried that you smashed your face trying to check on me. You looove me.