Sheldon calls Leonard for help from a police station. Leonard drives 12 hours round-trip to retrieve him, bringing a hurt Amy , who is upset Sheldon didn't call her first.

" The Locomotion Interruption " is the of The Big Bang Theory , first airing on September 22, 2014 . The episode serves as a reset after the Season 7 finale, where Sheldon fled Pasadena to cope with massive life changes, including Penny and Leonard's engagement and the destruction of the comic book store. 🚂 Sheldon's "Hobo" Adventure

Howard is increasingly disturbed that Stuart is still living with his mother, Mrs. Wolowitz, even after she has recovered from her injury.

After 45 days of riding trains, Sheldon ends up at a railway station in Kingman, Arizona , wearing only his underwear, one sock, and no shoes.