Season 4 poster

Season 4

8 episodes May 6, 2020

Episodes

1 City of Ice May 6, 2020 No ratings 2 L.A. Mega Rail May 13, 2020 No ratings 3 Underground Mega Highway May 20, 2020 No ratings 4 Mega Ice Ship May 27, 2020 No ratings 5 Earthquake Proof Mega Bridge Jun 3, 2020 No ratings 6 High-Speed Train Jun 17, 2020 No ratings 7 Monster Roller Coaster Jun 24, 2020 No ratings 8 Cruise Ship of the Future Jul 1, 2020 No ratings