Sonic Boom - Season 2 Episode 12 Knuck Knuck! Who's Here?
During a fight against Eggman, Knuckles suffers amnesia. His friends try to help, reminding him of his worst blunders via flashbacks. But he becomes more depressed when he learns that he is the last of his kind - the final echidna. Feeling all alone in the world, Knuckles sets out to find a foster family among the Villagers who might be willing to take him in.
- Genre: Action & Adventure, Animation, Comedy, Sci-Fi & Fantasy, Family
- Studio: Cartoon Network, Boomerang
- Keyword: based on video game, hedgehog, comedy
- Cast: Roger Craig Smith, Colleen O'Shaughnessey, Travis Willingham, Cindy Robinson, Nika Futterman, Mike Pollock
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