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 23 Wild Rides
- Season 23 Steam Power
- Season 23 Ultimate Helicopters
- Season 23 Maximum Horsepower
- Season 23 Dangerous Drives
- Season 23 Car Wash Tech
- Season 23 Freight Trains Plus
- Season 23 Locomotives Plus
- Season 23 Harvesting Plus
- Season 23 Mad Electricity Plus
- Season 23 Tech Treasures
- Season 23 Coin Operated Plus
- Season 23 Bathroom Tech Plus
- Season 23 Yard Tech Plus
Modern Marvels - Season 23 Episode 6 Car Wash Tech
8.00 44 minutes Better roll up your windows and put it in neutral as we join the 2 million people who wash their car every single day! From one of the largest car washes in the U.S. to cleaning radioactive waste off a train to tips on getting tar, glue, egg and sludge off your priceless Porsche, Modern Marvels takes a look at all the awesome technology we use to keep our beloved vehicles sparkling clean.
