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- It is heavily implied, although never explicitly stated, that Slaughter Swamp, which is the swamp that Cyrus Gold was killed in is the same swamp that the Hall of Doom is stationed at.
- Interestingly, this episode depicts the Legion of Doom attacking the World Trade Center only a month shy of 23 years before 9/11, which was when the towers were actually destroyed.
Companion Episode from the new SuperFriends
Trial of the Superfriends
The Giants of Doom
| Season 3a: new SuperFriends (1978)|
Season 3b: Challenge of the SuperFriends (1978)