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Rustbucket RIP is the ninth episode of Ben 10.
During a tour of historic Oldeville, Ben finds a rare Sumo Slammers card.
Omnitrix Alien Debuts
- Mr. Billions and Mrs. Billions make their debut.
- Ben Tennyson
- Gwen Tennyson
- Max Tennyson
- Mr. Billions (first appearance)
- Mrs. Billions (first appearance)
- Billy Billions (first appearance)
- This episode aired as the 23rd episode in U.S.
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