See You Next Fall
The whole family is gathering at Jay's before heading out to Alex's graduation ceremony from middle school, but while at the house, Jay is preoccupied hiding a botox mishap from everyone, Cameron is upset about Mitchell's habit of laughing at his expense, and Phil tries to sympathize with, yet also criticizes Claire on her impending breakdown over the kids growing up too fast. All of this, plus a faulty gate, could mean their missing Alex's big moment.
Hawaii
Jay could not be more excited to do nothing but indulge and relax in this tropical paradise, but then an unexpected reality check dampens his plans. Meanwhile, Phil is determined to make this trip romantic for Claire, Mitchell and Cameron have opposing views on whether to sightsee or not to sightsee, and the kids get into a little bit of mischief when left to their own devices.
The Engagement Reaction
When Howard finally breaks the news to his mom that he's engaged to Bernadette, it lands her in the hospital.
The Lunar Excitation
While Penny worries that dating Leonard has ruined her for normal guys, Wolowitz and Koothrappali search for Sheldon's perfect match online.
The Monopolar Expedition
The guys' plan to work over the summer at the North Pole makes Penny revaluate her feelings for Leonard.