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Fantastic Four: World's Greatest Heroes

Season 1 Episode 21
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Now playing Fantastic Four: World's Greatest Heroes · S1E21
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S1 E21: Fantastic Four: World's Greatest Heroes Season 1 Episode 21

The Sub-Mariner returns, but this time he needs help to defeat Attuma, who has taken over Atlantis. While Reed, Susan, and Ben head off to help free Atlantis, Johnny stays behind and faces an attack on the city from a giant mutant whale

Season 1 Episode 21 of 26

Season 1 Episodes

26 episodes
E1 Fantastic Four: World's Greatest Heroes Season 1 Episode 1 E2 Fantastic Four: World's Greatest Heroes Season 1 Episode 2 E3 Fantastic Four: World's Greatest Heroes Season 1 Episode 3 E4 Fantastic Four: World's Greatest Heroes Season 1 Episode 4 E5 Fantastic Four: World's Greatest Heroes Season 1 Episode 5 E6 Fantastic Four: World's Greatest Heroes Season 1 Episode 6 E7 Fantastic Four: World's Greatest Heroes Season 1 Episode 7 E8 Fantastic Four: World's Greatest Heroes Season 1 Episode 8 E9 Fantastic Four: World's Greatest Heroes Season 1 Episode 9 E10 Fantastic Four: World's Greatest Heroes Season 1 Episode 10 E11 Fantastic Four: World's Greatest Heroes Season 1 Episode 11 E12 Fantastic Four: World's Greatest Heroes Season 1 Episode 12 E13 Fantastic Four: World's Greatest Heroes Season 1 Episode 13 E14 Fantastic Four: World's Greatest Heroes Season 1 Episode 14 E15 Fantastic Four: World's Greatest Heroes Season 1 Episode 15 E16 Fantastic Four: World's Greatest Heroes Season 1 Episode 16 E17 Fantastic Four: World's Greatest Heroes Season 1 Episode 17 E18 Fantastic Four: World's Greatest Heroes Season 1 Episode 18 E19 Fantastic Four: World's Greatest Heroes Season 1 Episode 19 E20 Fantastic Four: World's Greatest Heroes Season 1 Episode 20 E21 Fantastic Four: World's Greatest Heroes Season 1 Episode 21 E22 Fantastic Four: World's Greatest Heroes Season 1 Episode 22 E23 Fantastic Four: World's Greatest Heroes Season 1 Episode 23 E24 Fantastic Four: World's Greatest Heroes Season 1 Episode 24 E25 Fantastic Four: World's Greatest Heroes Season 1 Episode 25 E26 Fantastic Four: World's Greatest Heroes Season 1 Episode 26

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