Sheldon plays nursemaid to a sick Amy, while Howard attempts to bond with his father-in-law (guest star CASEY SANDER) on an upcoming fishing trip.
Sam enlists the Ghosts to help secure a good review from an overly critical couple staying at the B&B. Also, Isaac tries to integrate Nigel into his friend group, on the second season premiere.
Gabrielle revisits her past when old friends come to town, and the Scavos learn more about the new neighbors.
Amy joins Jonah for lunch with his parents and brother, but she's caught off guard by their family dynamic. Dina worries about being fun and spontaneous when her new boyfriend surprises her at work. Meanwhile, Garrett and the other employees create a game around the store's weird customers, with a suspicious Glenn hot on their tails.
Surprisingly, it’s up to Barney, the consummate bachelor, to set things right when they go wrong on Marshall and Lily’s wedding day.
