Donkey Kong Country on the SNES, second section.
See the playlist here (recommended):
• Donkey Kong Country - 101%
This video features the following stages: Gnawty's Lair, Winky's Walkway, Mine Cart Carnage, Bouncy Bonanza, Stop & Go Station and Millstone Mayhem
From the edge of World 1 to the edge of World 2. Because the stop points are at Candy's Save Station, the section segmenting will be a bit lengthy in the beginning. I did have a few screw-ups in this, however...
"Let's show off a warp by dying before and after pulling it off!"