Three teenagers and their dog solve mysteries with the help of two ghosts from the 18th century.
Jerry Dexter
Elmo (voice)
Daws Butler
Mudsy (voice)
Micky Dolenz
Skip Gilroy (voice)
1969 · Series
2002 · Series
1991 · Series
1985 · Series
2004 · Series
2021 · Series
2008 · Series
2016 · Series
2014 · Series
2011 · Series
1996 · Series
1992 · Series
1984 · Series
2017 · Series
1989 · Series
2024 · Series
2019 · Series
1990 · Series
Don Messick
Boo (voice)
Kristina Holland
April Stewart (voice)
Tommy Cook
Augie Anderson (voice)