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Sheldon and Amy took a big step in their relationship, but it isn’t what you think. Sheldon takes it hard when he doesn’t receive an invite a weekend symposium with some other scientists, leading him to put a big damper on date night with Amy. What begins with Sheldon bitterly sulking leads to a somber conversation about a childhood full of rejection, whether it was the kids from school or their own siblings.

Its through this conversation that Amy comes up with the idea of recapturing their youth by building a fort. Dozens of blankets, pillows and string lights later, date night has been saved. Unfortunately 10pm rules around, which according to their established date night parameters means Amy has to head home. This leads to Sheldon proposing a G-rated adult sleepover and Amy confessing she hid a pair of pajamas and a toothbrush in the apartment two years earlier, just in case something like this ever happened.

Over the years, Penny and Leonard have developed a familiar dynamic. He’s smart, she’s ditzy, he’s responsible, she’s a mess, he’s successful, she’s struggling. Having been together as long as they have, this was bound to change, but tonight it took Leonard by surprise.‘Serial Ape-ist 2: Monkey See, Monkey Kill’, the movie Penny starred in with Will Wheaton has developed a cult following leading to the actors doing a podcast to discuss the film. Director Kevin Smith calls in and offers Penny the chance to audition for his new film ‘Clerks 3’, but Leonard isn’t supportive.

He thinks she should stick with her current gig, making decent money, as a pharmaceutical sales girl instead of trying to break back into the unreliable world of acting. The ensuing argument, all of which is aired for the listening audience, leads to Penny divulging that she makes twice as much as he does. Leonard, who has his doctorate and is still struggling to pay for school loans is floored by this revelation. Penny wisely uses this to her advantage, offering to help him pay off some of his debt and hinting their old roles could be restored if she ditches work to audition for a movie. Just like that, she has his support.

Leonard isn’t the only one who gets a big surprise. Howard officially inherits his mother’s house after his father signs it over to him through an attorney, but before Bernadette can begin planning her renovations, there’s a knock at the door. The stranger announces himself as Howard’s brother! The family reunion is a bit awkward at first, as Howard had no idea they existed, but they quickly warm up to one another. His oceanographer younger brother couldn’t be more excited to learn Howard is an astronaut and Howard, still reeling from the loss of his mom, seems more than happy to welcome someone to the family.