The Spooky Tale of Captain Underpants Hack-a-Ween
Melvin's failed attempt to ban Halloween prompts Harold and George to create their own eerie celebration, which unexpectedly becomes a massive hit.

Melvin's failed attempt to ban Halloween prompts Harold and George to create their own eerie celebration, which unexpectedly becomes a massive hit.
Streaming in:
Canada
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Currently, you have the opportunity to watch "The Spooky Tale of Captain Underpants Hack-a-Ween" by streaming it on the following platforms: Netflix.