Modern Marvels: Season 21

4 episodes Premiered Jul 25, 2021 Updated Sep 26, 2026

Machines

Previously on Modern Marvels

Season 21 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

⚡ Directly follows the overarching narrative developments of Modern Marvels Season 20.
⚡ Faction dynamics and core character alliances shift under escalating external stakes.
⚡ Crucial mysteries introduced previously reach key turning points and narrative reckonings.
⚡ Sets up serialized story arcs that build directly toward the climactic season finale.

Season overview

Machines

Season 21 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 21 Progress Shield

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Binge Efficiency Engine

Season 21: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

50%

Mytharc (2): Crucial lore & season climaxes

Core (2): Character development & subplots

Side Quest (0): Standalone / filler

S21·E1 Mytharc

Adventure Machines

Jul 25, 2021 · 44 min

Adrenaline runs high when Adam Richman visits the factory where Yamaha makes ATVs, Waverunners and more. Then, we get an inside look at a company built to get people sky-high in pa

S21·E2 Core

Heavy Machinery

Aug 1, 2021 · 44 min

S21·E3 Core

Moving America

Aug 8, 2021 · 44 min

Adam Richman explores how a legendary long-hauler meticulously custom-builds each truck at Daimler.

S21·E4 Mytharc

Power Tools

Aug 15, 2021 · 44 min

Adam Richman visits power tool manufacturing "mecca" Dewalt, where he discovers how they're using cutting edge technology to make cutting edge tools. Then, he goes back in time to