Michael Christian Alexander

With some urging, Mitch joins in on Cam's efforts to save an old tree in the park, but just how far will they go? Jay and Manny are each pushed beyond their comfort zones when they attend a kid's Olympics-themed birthday party, and Claire brings Gloria along on a Costco run -- but add in a "pregnancy brain" and it makes for quite an eventful trip.

Lisbon goes undercover as a prison inmate in order to get a convict to turn on her boyfriend who is the leader of the high-end car theft ring.

Ted prepares to move to New Jersey. He also argues with Marshall over an outstanding bill for the flat, the gang recount their many interventions on each other throughout the years and Barney poses as an old man.

The family help a broken-hearted Pastor Jeff through a rough patch in his marriage. Mary takes Sheldon to work for a day.

Rory begins to serve her community service working with a road crew; Lorelai and Luke debate fixing up the house or buying another.

Jill has an unexpected reaction when her dentist retires.