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Donatello decides to create a clone of himself so that he can spend more time on his inventions while his clone spends more time fixing things around the Lair. Donny tests his latest invention on a sewer rat and accidentally gets his hand in the way, causing the rat clone to talk just like Donatello.
First Air Date : Dec 14, 1987
Last Air date : Nov 02, 1996
Episode : 193 Episode
Season : 10 Season
Runtime: 22:14 minutes
Studio: CBS, Syndication
Country: United States of America