[JAS84]

Speaking of other Joapordy appearances on TV shows

i.ytimg.com 
preview.redd.it 

I wonder if our version operates on those rules 🤣

Contestant ended up on a minus amount due to a wrong answer, so yes, that part can happen - Marge just kept getting her questions wrong, the only joke there was Marge actually owing the studio the money.

They just advertised an app called Jeopardy! World Tour in the ad break. Presumably it's existed for a while in the US, but was hard to market here until now.