 The episode was written by John Swartzwelder and directed by Mark Ervin . The idea for the episode was pitched by the Simpsons writing staff , who wanted to make an episode in which Mr. Burns becomes a " thrillionaire " , a millionaire who goes on thrilling adventures . Although it would originally be green , a mistake in the overseas animation led to the Loch Ness monster looking pink , a mistake that was ultimately too expensive to fix . 
 The episode was written by John Swartzwelder and directed by Mark Ervin . The idea for the episode was pitched by the Simpsons writing staff , <a href='null_relcl' title='1'><mark>who</mark></a>wanted to make an episode in which Mr. Burns <a href='uninflect' title='2'><mark>becomes</mark></a> a " thrillionaire " , a millionaire <a href='null_relcl' title='3'><mark>who</mark></a><a href='uninflect' title='4'><mark>goes</mark></a> on thrilling adventures . Although it would originally be green , a mistake in the overseas animation led to the Loch Ness monster looking pink , a mistake <a href='null_relcl' title='5'><mark>that</mark></a>was ultimately too expensive to fix . 
Da episode was written by John Swartzwelder and directed by Mark Ervin . The idea for the episode was pitched by the Simpsons writing staff , wanted to make an episode in which Mr. Burns become a " thrillionaire " , a millionaire go on thrilling adventures . Although it would originally be green , a mistake in tdaoverseas animation led to the Loch Ness monster looking pink , a mistake was ultimately too expensive to fix .