When Sheldon and Leonard agree to go shopping with Amy and Penny, they're disappointed to realize there's no wifi in the store. That means they have to try and figure out how to pass the time without their smartphones, but Sheldon instinctively keeps reaching for his anyway.
It's Nathan Fillion! Leonard and Raj are at a deli when they run into a man who looks like Nathan Fillion. Leave it to Raj and Leonard to annoy the heck out of a favorite actor. At least they get a selfie out of the deal.
Are Sheldon and Amy taking things to the next level? When they share an important announcement with Leonard and Penny, the two prepare themselves for something big. Of course, for Sheldon and Amy, getting a turtle is a major commitment!
The power goes out in the Wolowitz household, and the only way to save the last food Mrs. Wolowitz had ever prepared is to cook it and have a feast. So the gang gathers together to do just that, eating dinner by candlelight. The best part? Hearing Bernadette chew out Leonard and Sheldon in a way that makes her sound just like the late Mrs. Wolowitz. It's the perfect way to honor the character and the actress, Carol Ann Susi.
Will Wheaton guest stars on this episode, having Penny as a guest star on his podcast. When she and Leonard argue over whether or not she should audition for a role in a new movie, she turns the tables on Leonard while on the air.