Muriel orders a new mattress that harbors an evil spirit which proceeds to possess Muriel as she sleeps.\r<br>\r<br>Watch more Courage the Cowardly Dog on Cartoon Network!\r<br>Watch more Courage the Cowardly Dog videos:\r<br>\r<br>\r<br>Watch more videos on the go, get the Cartoon Networks Watch And Play app here:\r<br>\r<br>\r<br>Check out our Cartoon Network Facebook pages:\r<br>\r<br>
