Is 4:55 the perfect speedrun? Super Mario Bros. World Record Explained Chapters: 00:00 - Introduction, History lesson, somewes's 6022 attempts, Kosmic's attempts 03:30 - Summary of previous video 05:34 - 1-1 Flagpole glitch, 1-2 pipe clip 07:26 - 4-1 Flagpole glitch, 4-2, 8-1, 8-2 Bullet bill glitch, 8-3 Flagpole glitch 10:20 - 8-4 12:25 - The return of somewes 14:44 - Fastest 8-4 16:07 - 8-1 Framerule 19:53 - Is 4:54 impossible? Tool-assisted speedrun 22:09 - TAS comparison 26:35 - Conclusion, how to achieve 4:54