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Season 53 · Episode 17
0.057mNovember 11, 2026
Run. Leap. Swim. Pounce. Slither. Fly. Life moves in countless ways – but it wasn’t always this way. When animals first emerged, they clung to the seafloor, until a single twitch sparked a revolution. From the first muscle to the first heartbeat, from lobe fins that pushed life onto land to legs built for speed, movement reshaped the planet.