Courage the Cowardly Dog

S03:E06 - Katz Under the Sea/Curtain of Cruelty

Katz Under The SeaMuriel signs up to be the cook on the new Nowhere Navy nuclear submarine. Courage discovers that the First Mate (Katz) is a spy working for a rival submarine manufacturer with orders to sabotage the submarine. Courage must first battle and defeat Katz before he can save Muriel and the entire crew.Curtain Of CrueltyA bizarre phenomenon occurs, releasing a luminous curtain that travels across Nowhere. The people of Nowhere become nasty and cruel, the crueler the better. The Farmer flourishes in this environment and is endorsed as the next mayor. Muriel's natural kindness insults everyone, and she is sent to be rehabilitated. Courage must find a way to return everything back to normal before the Farmer becomes mayor and Muriel's rehabilitation is complete.