During filming of The Rainbow Connection and swamp scenes for The Muppet Movie, Jim Henson was inside a diving bell performing Kermit the Frog

At one point, Henson was submerged underwater for over 3 HOURS and then had difficulty uncrossing his legs

One of my favorite stories https://t.co/vghlNViF2W pic.twitter.com/52Qj5zbbY1

— Muppet History 🎃 (@HistoryMuppet) March 26, 2023