Season 1
5.0/101 votesThe Lights of Mystery Mountain
Season 1 Episode 1 - Aired 9/6/1975
A rash of UFO sightings leads Isis to an unscrupulous real estate developer.
Director: Hollingsworth Morse
Writer: Marc Richards, Russell Bates
6.0/101 votesFool's Dare
Season 1 Episode 2 - Aired 9/13/1975
Cindy Lee enters a scrap yard on a dare and stumbles into a ring of car thieves.
Director: Hollingsworth Morse
Writer: Marc Richards, David Dworski
6.0/101 votesSpots of the Leopard
Season 1 Episode 3 - Aired 9/20/1975
Isis helps an innocent man wrongfully accused of a jewel robbery.
Director: Arnold Laven
Writer: Marc Richards, James Schmerer
- 5.0/101 votes
The Sound of Silence
Season 1 Episode 4 - Aired 9/27/1975
To get money for a car, a student steals a dangerous force field generator.
Director: Arnold Laven
Writer: Marc Richards, Sidney Morse
- 6.0/101 votes
Rockhound's Roost
Season 1 Episode 5 - Aired 10/4/1975
On a rock hunting expedition a student finds himself face to face with an angry bear.
Director: Arnold Laven
Writer: Marc Richards, Robert F. Joseph
- 6.0/101 votes
Lucky
Season 1 Episode 6 - Aired 10/11/1975
The loss of his dog leads a boy into danger as he learns about life and death.
Director: Hollingsworth Morse
Writer: Marc Richards, Ann Udell
- 6.0/101 votes
Bigfoot
Season 1 Episode 7 - Aired 10/18/1975
A student looking for the legendary Bigfoot instead finds a giant man who shuns humanity.
Director: Arthur H. Nadel
Writer: Marc Richards, Michael Reaves
- 5.0/101 votes
How to Find a Friend
Season 1 Episode 8 - Aired 10/25/1975
A boy tries to make a friend by giving an older boy his father's dangerous antique gun.
Director: Hollingsworth Morse
Writer: Marc Richards, Henry Colman
- 6.0/101 votes
The Show Off
Season 1 Episode 9 - Aired 11/1/1975
An escaped gorilla menaces the Science Club's camping trip.
Director: Arnold Laven
Writer: Marc Richards, David Wise, Kathleen Barnes
- 6.0/101 votes
The Outsider
Season 1 Episode 10 - Aired 11/8/1975
A new student is framed for the theft of a rival school's mascot.
Director: Hollingsworth Morse
Writer: Marc Richards, David Dworski, Susan Dworski
- 6.0/101 votes
No Drums, No Trumpets
Season 1 Episode 11 - Aired 11/15/1975
Exploring a ghost town lands Andrea and her students in the clutches of a robbery gang.
Director: Hollingsworth Morse
Writer: Marc Richards, Arthur H. Nadel
- 6.0/101 votes
Funny Gal
Season 1 Episode 12 - Aired 11/22/1975
An insecure overweight girl running for student council steals Mr. Mason's boat as a publicity stunt. Isis must call upon Captain Marvel to help with the rescue.
Director: Hollingsworth Morse
Writer: Marc Richards, Sidney Morse
- 6.0/101 votes
Girl Driver
Season 1 Episode 13 - Aired 11/29/1975
A girl competes with her male rival in a road rally for the presidency of the Car Club, but his cheating puts them in danger.
Director: Arnold Laven
Writer: Marc Richards, David Wise, Kathleen Barnes
- 6.0/101 votes
Scuba Duba
Season 1 Episode 14 - Aired 12/6/1975
A student in Mr. Mason's scuba diving class disregards safety rules and Isis must rescue him when he is trapped underwater.
Director: Arnold Laven
Writer: Marc Richards, Sidney Morse
- 6.0/101 votes
Dreams of Flight
Season 1 Episode 15 - Aired 12/13/1975
A young Latina girl stands up to her brother when he opposes her competing in a model airplane competition.
Director: Hollingsworth Morse
Writer: Marc Richards, David Dworski, Susan Dworski