Beavis and Butt-head

There is a shelf in Highland Hospital right before the second gurney game elevator. Switch to Beavis and have Butthead kick you up on the shelf. Walk to the vent and open it to reach a bonus stage similar to the one in the high school.

Effect	Code
Level 2	YEA - WOA - YAH - YEA - YAH - YEA - YEA - YEA
Level 3	WOA - WOA - YAH - YEA - HEE - HEE - WOA - WOA
Level 4	YEA - HAH - YAH - HEE - YAH - YEA - YAH - WOA
Level 5	HAH - HAH - YAH - WOO - WOA - YEA - YEA - HAH