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Season guide

River Monsters: Season 9

6 episodes Premiered Apr 23, 2017 Updated Nov 5, 2026
Previously on River Monsters

Season 9 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • ⚡ Picks up essential narrative continuity directly following the events of River Monsters Season 8.
  • ⚡ Character alliances, factions, and personal loyalties undergo significant shifts under escalating stakes.
  • ⚡ Addresses unresolved cliffhangers and thematic mysteries introduced during previous seasons.
  • ⚡ Establishes the primary seasonal conflict that drives serialized character arcs toward the finale.
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Season 9 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 9 Progress Shield

Future titles & synopses blurred. Tap "Reveal" on any card to peek.
Binge Efficiency Engine

Season 9: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

50%
50%
Mytharc (3): Crucial lore & season climaxes
Core (3): Character development & subplots
Side Quest (0): Standalone / filler
S9·E1 Mytharc

Killers From the Abyss

Apr 23, 2017 · 45 min

Wade takes on the biggest investigation of his career -- to unravel what happened to over 1,000 passengers of the RMS Laconia, torpedoed in the mid-Atlantic; he travels the globe,

S9·E2 Core

Ice Cold Killer

Apr 30, 2017 · 46 min

Traveling from London to Greenland and on to Norway, Wade follows the trail of an unknown sea monster; fishing through ice to extreme depths, he attempts to reel in this monster be

S9·E3 Core

Coral Reef Killer

May 7, 2017 · 46 min

When a snorkeler is impaled & killed by an unseen underwater assailant in the waters surrounding the island of Sulawesi in Indonesia, Jeremy Wade travels to the islands to investig

S9·E4 Core

Return of the Killer Catfish

May 14, 2017 · 46 min

Jeremy Wade investigates a case in Nepal that sounds strangely familiar - a lone fisherman dragged off his feet & into a mountain river by an unseen creature. Is the original river

S9·E5 Mytharc

Volcanic Island Terror

May 21, 2017 · 46 min

On a volcanic Pacific island, an ancient fishing community is being terrorized by something unknown in the water that’s been leaving behind mysterious puncture wounds on its victim

S9·E6 Mytharc

Malaysian Lake Monster

May 28, 2017 · 42 min

When two men mysteriously vanish on a remote lake in Malaysia, Wade sets out to track down the possible killer. Amid rumors of a giant fish on the loose, he follows the evidence in

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