It popularized the acronym "BFF" (Best Friends Forever) in mainstream culture. 🔗 Where to Watch

You can stream this episode on platforms like HBO Max , South Park Studios , or buy it on Apple TV . AI responses may include mistakes. Learn more Watch South Park Season 9, Episode 4: Best Friends Forever

Cartman uses a "Best Friends Forever" contract signed by Kenny to claim legal authority over his medical decisions, purely so he can inherit Kenny's PSP.

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