1. The Lights of Mystery Mountain

5

. 6 September 1975. 30 min

A rash of UFO sightings leads Isis to an unscrupulous real estate developer.

2. Fool's Dare

6

. 13 September 1975. 30 min

Cindy Lee enters a scrap yard on a dare and stumbles into a ring of car thieves.

3. Spots of the Leopard

6

. 20 September 1975. 30 min

Isis helps an innocent man wrongfully accused of a jewel robbery.

4. The Sound of Silence

5

. 27 September 1975. 30 min

To get money for a car, a student steals a dangerous force field generator.

5. Rockhound's Roost

6

. 4 October 1975. 30 min

On a rock hunting expedition a student finds himself face to face with an angry bear.

6. Lucky

6

. 11 October 1975. 30 min

The loss of his dog leads a boy into danger as he learns about life and death.

7. Bigfoot

6

. 18 October 1975. 30 min

A student looking for the legendary Bigfoot instead finds a giant man who shuns humanity.

8. How to Find a Friend

5

. 25 October 1975. 30 min

A boy tries to make a friend by giving an older boy his father's dangerous antique gun.

9. The Show Off

6

. 1 November 1975. 30 min

An escaped gorilla menaces the Science Club's camping trip.

10. The Outsider

6

. 8 November 1975. 30 min

A new student is framed for the theft of a rival school's mascot.

11. No Drums, No Trumpets

6

. 15 November 1975. 30 min

Exploring a ghost town lands Andrea and her students in the clutches of a robbery gang.

12. Funny Gal

6

. 22 November 1975. 30 min

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.

13. Girl Driver

6

. 29 November 1975. 30 min

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.

14. Scuba Duba

6

. 6 December 1975. 30 min

A student in Mr. Mason's scuba diving class disregards safety rules and Isis must rescue him when he is trapped underwater.

15. Dreams of Flight

6

. 13 December 1975. 30 min

A young Latina girl stands up to her brother when he opposes her competing in a model airplane competition.