When Penny learns that Leonard doesn't celebrate birthdays, she attempts to throw him a surprise party, but is sidetracked by Sheldon who unexpectedly gets to live out one of his greatest fantasies at an electronics store.
When Penny learns that Leonard doesn't celebrate birthdays, she attempts to throw him a surprise party, but is sidetracked by Sheldon who unexpectedly gets to live out one of his greatest fantasies at an electronics store.
Guest Cast
![Chuck Carter](https://static.tvmaze.com/uploads/images/medium_portrait/520/1300411.jpg)
Chuck Carter
as Stan![Ronald Hunter](https://static.tvmaze.com/uploads/images/medium_portrait/132/330584.jpg)
Ronald Hunter
as DanCast Appearances
![Penny](https://static.tvmaze.com/uploads/images/medium_portrait/175/439563.jpg)
Kaley Cuoco
as PennyEpisode Discussion
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