Any IUFB just straight up not being won at all, and on a related note, total winnings among all players for an episode coming out to less than $3,000
According to the rules of the game, it's not even possible for an IUFB to not be won. If all contestants overbid on a given item, a second round starts; if all contestants still overbid, a third round starts, and so on, until that particular IUFB is won.
Anyway, here are the things I don't expect to ever happen again:
*A carpeted turntable with a background resembling how it looked during the Barker Era
*An on-air reunion of all living former models, including Dian, Holly, Janice, and Kathleen
*Roger Dobkowitz or Rich Fields being rehired
*The classic and beloved music cues being used on a regular (or even semi-regular) basis
*TPIR going back to the 1972-2007 main theme (instead of the watered-down version that has existed since the Carey Era began)
*TPIR getting back the five minutes or so that it has lost to commercial time over the past 30-35 years
*Money Game being played for a boat (Does anybody know the last time that happened?)
*A show where all the "cars" offered are actual cars, instead of CUVs, SUVs, or light trucks (As the majority of vehicles sold to consumers/non-businesses are now CUVs, SUVs, and light trucks, it would be rare to see an episode without at least one CUV, SUV, or light truck offered.)