You've forgotten The Traitors (which I suspect will follow I'm A Celeb). 82 days seems way too optimistic, I'd guess 8-10 weeks at most (56-70 days).
This year being a "trial season" is pretty self evident. I've spoken elsewhere about how even with a three season commitment the show didn't have the brand capital to attract flagship-level sponsor/ad revenue, and how that would result in them being conservative with spend until it's proven. That doesn't excuse the editorial issues though which frankly were the biggest issue.
There is no world where Friday Night Games comes back. That door is closed, that conversation really needs to stop.