The Big Bang Theory Episode 3.13 The Bozeman Reaction

Sheldon and Leonard's apartment is broken into and Sheldon decides to install a home security system that goes all wrong and ends up ensnaring Penny in a net. Sheldon is so nervous about another break in, he won't leave Penny and Leonard alone, and insists on sleeping in their room with them. In the end, he decides to move to Bozeman, the safest city in the country. Unfortunately, when he arrives, he is immediately robbed at the train station, so he buys a one-way ticket back to Pasadena.