Sheldon creates a monster when he introduces Penny to the world of online gaming.
Sheldon creates a monster when he introduces Penny to the world of online gaming.
Guest Cast
![Mark Hames](https://static.tvmaze.com/uploads/images/medium_portrait/4/12164.jpg)
Mark Hames
as TomCast Appearances
![Penny](https://static.tvmaze.com/uploads/images/medium_portrait/175/439563.jpg)
Kaley Cuoco
as PennyEpisode Discussion
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