Mighty Express is a Canadian animated television series created by the British producer Keith Chapman. The series is produced by Spin Master Entertainment in partnership with Netflix, while the animation is produced by Atomic Cartoons. It was released on September 22, 2020.The show was followed by a Christmas special, titled A Mighty Christmas, released on December 5, 2020. The second season was released on February 2, 2021, while the third season was released on April 13, 2021. The fourth season was released on July 27, 2021, while the fifth season was released on October 12, 2021. Ahead of its sixth season premiere, a special, titled Train Trouble, was released on January 18, 2022. The sixth season was released on March 29, 2022, while the seventh and final season was released on August 29, 2022. The show was followed by an interactive special, titled Mighty Trains Race, released on December 5, 2022.

Unlike the previous three seasons, which had ten-minute-long episodes placed in their regular ten-minute units, the episodes from the final four seasons however, despite being ten minutes long, were placed back to back in half-hour units with two segments each, and unlike the previous six seasons, which all had ten-minute-long episodes, the seventh and final season however, despite still having ten-minute-long episodes, has a double-length episode and two compilation episodes featuring the shorts from the series.