1x22 Operation: P.I.A.N.O.
First Aired: Feb. 21, 2003 on Cartoon Network
Summary: Numbah 4 discovers a shipment of type P kid torcher devices, that's right pianos! On the mission he is impatient to destroy the pianos and hurt badly. Then an ambitious hamster takes his place temporarily and makes a very effective plan to destroy the final piano until a jealous Numbah 4…
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Guest Stars[no credits found]