# S4-Relationships and Identity

By [Big Bang Theory Fans](https://dylit.info/user/bigbangtheoryfans)

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Episode 12: The Bus Pants Utilization Leonard comes up with a smartphone app idea based on a physics concept and invites the guys to help build it, but power struggles erupt. Sheldon insists on taking control as “idea man,” turning a simple startup into a lesson in ego, teamwork, and badly written partnership agreements.