Invisible Muriel Courage the Cowardly Dog : Season 2 Episode 8
TV-Y Cartoon Network 11m
Aired: April 13th, 2001 @ 4:00 AM EST on Cartoon Network
"Invisible Muriel" Muriel becomes invisible when wears a magical gem. She is then captured by the government. Courage and Eustace, with the help of Dr. Vindaloo, set out to rescue her.
