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Underdog singlehandedly defeats Simon Bar Sinister and his army and the vacume gun.
During the Cartoon Network and earlier Boomerang airings, this episode was omitted due to Underdog being brought back to life with electricity underwater.
First appearance of the Electric Eel.
During the Cartoon Network and earlier Boomerang airings, this episode was omitted due to people drinking out of the water where Underdog dropped his pills in.
When Riff-Raff sets off the alarm when trying to steal the swords, the whole building shakes for a few seconds when the bell goes off!
It's revealed in this episode that Underdog can use his powers while he's Shoe Shine Boy, and he does do this for the first time in this episode. He usually doesn't do this though as if anyone saw Shoe Shine Boy using Underdog's powers, it would reveal Underdog's secret identity.
First episode with Simon Barsinister.
Introduces Sweet Polly Purebred, ace TV reporter.
This is the only episode without Sweet Polly.