In the quest for The Next Big Thing, even veteran restaurant operators have been known to hatch a venture that was best left undeveloped. This week’s edition of Restaurant Rewind looks at three that didn’t even sound good on paper.

Host and Restaurant Business Editor At Large Peter Romeo takes listeners on an audio tour of the three concepts he ranks as the worst-ever, from an S&M-themed spot in New York City to an eatertainment venture built around catastrophic deaths.

Tune in so you, too, can wonder, what were they thinking in giving something like this a try?