The Spooktacular New Adventures of Casper

Legend of Duh Bigfoot / The Ghostly Day / Invasion of the UGFO's (1x3)

:

Some out-of-town visitors are really out of this world, as the Ghostly Trio and Doc discover when they are chased by "Bigfoot", Kat recalls a visit by some spooked scientists, and Casper meets alien ghosts