A dog, able to become temporarily invisible, and his human companions investigate mysteries involving the paranormal.
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Joseph Barbera
Creator
William Hanna
Jerry Dexter
Paul Winchell
Ronnie Schell
Jo Ann Harris
Danny Bonaduce
Susan Dey
Suzanne Crough
2002
2009
2000
1969
2004
2008
2021
2018
1995
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2023
2010
