No, major TV network, unless “best friends forever” own something together they cannot have an apostrophe. It’s the law. And you should know better.
The fact that you’re using this language in a show about geeks (Big Bang Theory) just makes it worse. 

No, major TV network, unless “best friends forever” own something together they cannot have an apostrophe. It’s the law. And you should know better.

The fact that you’re using this language in a show about geeks (Big Bang Theory) just makes it worse.