One season of Mighty Rivers has been released, airing 6 episodes.
| Image | Episode title | Episode number | Original airdate | |
|---|---|---|---|---|
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Mighty Rivers: The Ganges | 1 | 8 April 2018 | |
| Jeremy Wade travels to the Ganges River, which faces serious polution as a result of both industry and the day to day lives of the people living on its banks. He also meets two of the monsters he knows best. | ||||
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Mighty Rivers: The Yangtze | 2 | 15 April 2018 | |
| Jeremy Wade travels to the Yangtze River, which faces an extreme threat from the heavy industry operating along its banks. He learns of two fish that are nearing extinction. However, he also meets people working for the river's future. | ||||
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Mighty Rivers: The Mississippi | 3 | 22 April 2018 | |
| Jeremy Wade travels to the Mississippi River, which is being assaulted by invasive species. However, an ancient river monster nearly wiped out of the river may be the key to repelling the invaders. | ||||
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Mighty Rivers: The Danube | 4 | 29 April 2018 | |
| Jeremy Wade travels to the Danube River. He explores the river mouth and the river's interior. He learns about several incredible species, some nearly extinct. However, at the end of the episode, he determines that the river is still living. | ||||
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5 | 6 May 2018 | ||
| Jeremy Wade travels to the Amazon River, and focuses primarily on two different fish species. One is a migratory fish which is being threatened by pollution and dredging. However, the other may be making a comeback. | ||||
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Mighty Rivers: The Zambezi | 6 | 13 May 2018 | |
| Jeremy Wade travels to the Zambezi River. He meets many interesting creatures and explores some of the river's hidden natural wonders. | ||||
