When their apartment is robbed, Leonard and Sheldon turn to their friends to create a state-of-the-art security system.
When their apartment is robbed, Leonard and Sheldon turn to their friends to create a state-of-the-art security system.
Guest Cast
Cast Appearances
![Penny](https://static.tvmaze.com/uploads/images/medium_portrait/175/439563.jpg)
Kaley Cuoco
as PennyEpisode Discussion
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