It looked like our team was winning, but then everything went back 'in the melting pot'. [=the outcome became uncertain again]
A donor added $1,000 to 'the pot' in support of the theater company.
He took 'the pot'. [=he won all the money that was bet]
(..) You spent the entire night in the bathroom, Walt. Tell me what's going on with you. Don't you think you owe me that? Who's this Jesse Pinkman to you? He sells me pot. He sells you... pot? Marijuana, yeah. Not a lot. I mean, I don't know. I kinda like it. (..)2008 TvShow: Breaking Bad Title: Cat's in the Bag... Season: 1 Episode 2