Penny's looking a little surprised, but Leonard seems to be excited. Either way, they're heading to comic-con, and Penny has at least one fan thanks to her recent film.
Thanks to stress over having a baby, Howard has started to panic... and he makes an impulsive purchase. Maybe that purchase is something that will actually be helpful for the baby, but my guess? Probably not so much.
Sheldon and Amy's guests enjoy some mimosas. Note that one of those guests includes Bert, who thinks Sheldon is very cool, and that Amy is even cooler.
Sheldon: I'll have a diet Coke. Penny: Can you please order a cocktail? I need to practice mixing drinks. Sheldon: Fine... I'll have a virgin Cuba Libre. Penny: That's... rum and Coke without the rum. Sheldon: Yes, and would you make it diet?
