Shin Chan and the California Stimps/Episode 23

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South Park Shin

Shin and Mitzi travel to South Park to deliver returned letters back to Stan and Kyle. It turns out Cartman sent them back as a joke.

She Ain't Beautiful, She's My Sister

Mackie's sister is sent to live in the junkyard with him. She soon starts getting into mischief, and gets involved with the Crimson Scorpions.