Season 1 Netflix, 2020 Watch now All aboard with Freight Nate, Mechanic Milo and the rest of the Mighty Express trains for daring deliveries and nonstop adventure with their kid pals! Season 2 Netflix, 2021 Watch now The mega missions continue for the Mighty Express trains — from hauling giant dinosaur bones and a baby octopus to tracking down a hidden treasure! Season 3 Netflix, 2021 Watch now Season 4 Netflix, 2021 Watch now Season 5 Netflix, 2021 Watch now The Mighty Express trains team up on the tracks to deliver a huge rubber ducky, a giant robot and tons of pizza on exciting mega missions! Season 6 Netflix, 2022 Watch now These brave trains take on funky chickens, curious bear cubs and scared baby skunks while rolling through more mega missions around Tracksville! Season 7 Netflix, 2022 Watch now