The Air Force comes calling about the guys' gyroscope invention on The Big Bang Theory. "The Military Miniaturization" is the second episode of the show's tenth season.
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Penny and her dad share a nice moment together, and hopefully are able to stay out of the drama everyone else is dealing with right now.
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Is there anything that makes Amy Farrah Fowler happier than putting on a bridesmaid dress? No? We didn't think so either. Well, maybe a bridal gown of her very own, but otherwise, this is basically her dream.
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Judd Hirsch is back as Leonard's dad, and the two of them seem awfully happy to get to spend time together. Of course, maybe Alfred is in a good mood because of his new love interest.
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Howard gets a call, and he seems happy about it. Could it be something good with that project? Or maybe some other good news?
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Dean Norris guest stars as Colonel Williams, an Air Force Representative from the Department of Materiel Command. So what's he up to?
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The facial expressions in this photo basically say it all. After Leonard's dad and Sheldon's mom spend the night together, things are bound to be awkward. Like, really, really awkward.
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Oh man, Penny doesn't look happy with her mother-in-law at all. This is going to be an awkward wedding, but mostly that's thanks to Leonard's dad and Sheldon's mom...
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They did it! Leonard and Penny have had quite the journey, so it's even more exciting to see them celebrate their marriage with everyone they love. This wedding photo? Priceless.
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This photo might be the cutest thing ever. Even better is that it features guest stars Jack McBrayer, Katey Sagal, and Keith Carradine as Penny's brother, mother, and father.
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A wedding ceremony with all of their friends and family surrounding them is everything we've wanted for a few seasons now. It's emotional for everyone involved.
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Well, this is awkward. Looks like Steward is plating the mediator between Leonard's parents, and he's also getting emotional during the ceremony.
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TBBT Quotes

Penny: Hey, Sheldon, did you change your Wi-Fi password again?
Sheldon: Yes, it's "Penny, get your own Wi-Fi." No spaces.

Bernadette: I had a plan. I kept leaving Dove bar wrappers around to explain any weight gain.
Amy: Where did you get empty Dove bar wrappers?
Bernadette: From all the DOVE BARS I ATE. I'M PREGNANT. Try to keep up!