Played by Kevin Sussman , Stuart faces a personal and professional low after his shop burns down.
Frustrated by his inability to change his field of study at Caltech and overwhelmed by Leonard and Penny's engagement, Sheldon decides to leave Pasadena on a train journey of self-discovery. [S7E24] The Status Quo Combustion
Played by Christine Baranski , Leonard's mother reacts coldly to the engagement news, having already heard it from Sheldon. Played by Kevin Sussman , Stuart faces a
A fire destroys Stuart’s comic book store, stripping Sheldon of another familiar comfort and leaving Stuart’s future uncertain. Played by Kevin Sussman