Long after the fall of humanity, three robots embark on a sightseeing tour of a post-apocalyptic city.

Mitch, Cam and Phil crash Jay’s annual hiking trip to find an elusive bald eagle after Gloria asks them to keep an eye on him. Meanwhile, Gloria, Alex, Claire and…

The guys search for a perfect Valentine’s Day gift for their significant others; Stuart and Raj host a “lonely people” party at the comic book store.

When Stuart asks Amy out on a date, Sheldon must confront his feelings and consider where his relationship with Amy is going.