S1 E1 • The Lights of Mystery Mountain

When Cindy returns from a weekend vacation with photos of UFOs believed responsible for the disappearances of several people, Andrea and Rick go back with her to investigate.

Première diffusion : 6 septembre 1975

S1 E2 • Fool's Dare

When car thieves steal Andrea's car, they didn't reckon on Isis.

Première diffusion : 13 septembre 1975

S1 E3 • Spots of the Leopard

A student of Andrea's fears that her father, recently released from prison, may be responsible for the recent diamond thefts.

Première diffusion : 20 septembre 1975

S1 E4 • The Sound of Silence

A force field generator designed by Andrea is stolen by a disgruntled science student.

Première diffusion : 27 septembre 1975

S1 E5 • Rockhound's Roost

One of Andrea's students fakes his parents' permission to go on a rock-hunting field trip.

Première diffusion : 4 octobre 1975

S1 E6 • Lucky

When a young boy's dog drowns, even though the boy himself is saved, he becomes terminally depressed.

Première diffusion : 11 octobre 1975

S1 E7 • Bigfoot

A group of Andrea's students on a field trip to find bigfoot becomes lost in the mountains.

Première diffusion : 18 octobre 1975

S1 E8 • How to Find a Friend

A boy desperately hoping to make one of his classmates like him offers a tough kid his father's antique gun.

Première diffusion : 25 octobre 1975

S1 E9 • The Showoff

A student whose short stature makes him take risks to prove himself gets into trouble on a camping trip in an area where there is an escaped gorilla.

Première diffusion : 1 novembre 1975

S1 E10 • The Outsider

A new transfer student tries to keep tries to keep a wilderness area from being ravaged by an environmentally-insensitive developer.

Première diffusion : 8 novembre 1975

S1 E11 • No Drums, No Trumpets

Andrea and a couple of her students are stranded in a ghost town that is being used as a base of operations by truck hijackers.

Première diffusion : 15 novembre 1975

S1 E12 • Funny Girl

A girl who's trying to be popular steals Rick's boat as part of a publicity stunt in her campaign for student council president.

Première diffusion : 22 novembre 1975

S1 E13 • Girl Driver

A girl encounters sexism when she runs for the presidency of the school's auto club.

Première diffusion : 29 novembre 1975

S1 E14 • Scuba Duba

Rick is worried when a member of the school's scuba diving club seems to consistently ignore safety precautions.

Première diffusion : 6 décembre 1975

S1 E15 • Dreams of Flight

Competition in the school's airplane flying contest becomes extreme when one of the planes is stolen.

Première diffusion : 13 décembre 1975