Ep 5. The Giants

In season 2, episode 5 of River Monsters titled "The Giants," host Jeremy Wade travels to the Mekong River in Thailand in search of what he believes to be the world's biggest freshwater fish - the giant freshwater stingray.

Wade sets out on his journey with his localized guide, a local fisherman named Cha, who has been fishing in the Mekong River for over 50 years. As they make their way through the river, Wade observes the local fishing methods and sees the dangerous conditions that the fishermen face as they navigate the treacherous rapids and try to catch the giant stingray.

Throughout the episode, Wade also explores the history of the Mekong River and the impact that human activity has had on the region's aquatic life. He meets with naturalists who are working to preserve the endangered species in the river and learns about the challenges they face in protecting the river's delicate ecosystem.

As they continue their search for the elusive giant stingray, Wade and Cha encounter other dangerous river creatures such as the giant catfish and the aggressive crocodile. With each new encounter, Wade's determination to catch the giant stingray grows stronger.

Finally, after several grueling days on the river, Wade gets his chance. He hooks the massive giant freshwater stingray, and a battle between man and fish ensues. The fight tests Wade's strength and endurance as he attempts to reel in the massive creature. The final moments of the episode are filled with tension and excitement as Wade and Cha work to bring the stingray to the surface.

Overall, season 2, episode 5 of River Monsters is a thrilling adventure into the heart of Thailand's Mekong River. It combines elements of history and science with adrenaline-pumping action and suspense. Viewers are sure to be on the edge of their seats throughout this exciting episode.