Season
- Season 1 1993-12-10
- Season 2 1994-12-16
- Season 3 1995-08-20
- Season 4 1996-09-02
- Season 5 1997-08-17
- Season 6 1998-07-27
- Season 7 2000-01-03
- Season 8 2001-01-08
- Season 9 2002-01-02
- Season 10 2003-01-01
- Season 11 2004-01-16
- Season 12 2005-01-05
- Season 13 2006-01-04
- Season 14 2007-01-17
- Season 15 2008-01-07
- Season 16 2010-01-14
- Season 17 2010-10-29
- Season 18 2011-10-03
- Season 19 2013-07-16
- Season 20 2021-02-20
- Season 21 2021-07-25
- Season 22 2021-11-28
- Season 23 2022-02-16
Season 23 Episode
- Season 19 Mega Speed Countdown
- Season 19 Mega Machine Countdown
- Season 19 Mega Weapon Countdown
- Season 19 Mega Food Countdown
- Season 19 Mega Snack Countdown
- Season 19 Super Strong Countdown
- Season 19 Amazing Job Countdown
- Season 19 Strangest Countdown
- Season 19 Hottest Rides Countdown
- Season 19 Amazing Gadgets Countdown
- Season 19 Panama Canal Supersized
Modern Marvels - Season 19 Episode 8 Strangest Countdown
7.97 44 minutes This countdown special kisses the conventional goodbye, raiding the Modern Marvels archives for the most bizarre wonders we've ever presented. Our top ten contenders demonstrate that the inside scoop on innovation often lies outside the norm. You'll be scratching your head at the weird assortment of oddities–technologies ranging from a gooey slime that could be a terrorist's worst nightmare…to an exacting art form requiring the help of millions of ravenous beetles. The final destination at number 1: a devise so strange and destructive that its inventor allegedly destroyed it to avert a catastrophe.
