![](https://image.tmdb.org/t/p/w342/ooBGRQBdbGzBxAVfExiO8r7kloA.jpg)
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Sheldon becomes Leonard's teacher in order to understand football, while an incident with flying a kite threatens Howard and Raj's friendship.
First Air Date : Sep 24, 2007
Last Air date : May 16, 2019
Episode : 279 Episode
Season : 12 Season
Runtime: 22 minutes
Studio: CBS
Country: United States of America