The Strongest Instinct

1. Lassie Meets a Challenge1965-09-12 2. Sudden Fury1965-09-19 3. Lassie and the Dynamite1965-09-26 4. Lassie and the Seagull1965-10-03 5. Charlie Banana1965-10-10 6. In the Eyes of Lassie1965-10-17 7. Trouble at Paradise Lake1965-10-24 8. Little Dog Lost1965-10-31 9. Lassie's Time of Peril1965-11-07 10. In the Midst of Splendor1965-11-14 11. Lassie Saves a Life1965-11-21 12. The Waif1965-11-28 13. Crisis1965-12-05 14. Pitfall1965-12-12 15. Temper the Wind1965-12-19 16. The Gift of Life1965-12-26 17. Lassie Catches the Poachers1966-01-02 18. The Town That Wouldn't Die1966-01-16 19. Just One Old Cow1966-01-23 20. The Outcast1966-01-30 21. Cradle of the Deep1966-02-06 22. The Homesick Hound1966-02-13 23. The Silent Threat1966-02-20 24. The Friendless1966-02-27 25. Avalanche1966-03-06 26. Babes in the Woods1966-03-13 27. Lassie's Rescue Mission1966-03-20 28. The Doll1966-03-27 29. The Untamed Land1966-04-03 30. The Day the Mountain Shook1966-04-17 31. The Vigil1966-04-24 32. The Strongest Instinct1966-05-01