Fez dreads impending graduation as he probably must return to his lizard-infested country afterward, so he gets Kelso and Hyde to observe a truce in their Jacky-war to join both on a camping trip by the lake with the whole gang, plus Eric's stupid sister Laurie. Kitty is on heavy tranquilizers as she can't handle her 'baby boy' moving out. After a failed ghost prank by the campfire Eric was to skinny-dip with Donna, but ends up screaming butt-naked with Laurie, who next does it in Kelso's van with Fez, who gets even more out of it then sex... Kelso and Hyde's rivalry ...