Lassie Season 12 Episode 31
The Vigil
12 - 32The Strongest InstinctMay. 01, 1966- 12 - 31The VigilApr. 24, 1966
- 12 - 30The Day the Mountain ShookApr. 17, 1966
- 12 - 29The Untamed LandApr. 03, 1966
- 12 - 28The DollMar. 27, 1966
- 12 - 27Lassie's Rescue MissionMar. 20, 1966
- 12 - 26Babes in the WoodsMar. 13, 1966
- 12 - 25AvalancheMar. 06, 1966
- 12 - 24The FriendlessFeb. 27, 1966
- 12 - 23The Silent ThreatFeb. 20, 1966
- 12 - 22The Homesick HoundFeb. 13, 1966
- 12 - 21Cradle of the DeepFeb. 06, 1966
- 12 - 20The OutcastJan. 30, 1966
- 12 - 19Just One Old CowJan. 23, 1966
- 12 - 18The Town That Wouldn't DieJan. 16, 1966
- 12 - 17Lassie Catches the PoachersJan. 02, 1966
- 12 - 16The Gift of LifeDec. 26, 1965
- 12 - 15Temper the WindDec. 19, 1965
- 12 - 14PitfallDec. 12, 1965
- 12 - 13CrisisDec. 05, 1965
- 12 - 12The WaifNov. 28, 1965
- 12 - 11Lassie Saves a LifeNov. 21, 1965
- 12 - 10In the Midst of SplendorNov. 14, 1965
- 12 - 9Lassie's Time of PerilNov. 07, 1965
- 12 - 8Little Dog LostOct. 31, 1965
- 12 - 7Trouble at Paradise LakeOct. 24, 1965
- 12 - 6In the Eyes of LassieOct. 17, 1965
- 12 - 5Charlie BananaOct. 10, 1965
- 12 - 4Lassie and the SeagullOct. 03, 1965
- 12 - 3Lassie and the DynamiteSep. 26, 1965
- 12 - 2Sudden FurySep. 19, 1965
- 12 - 1Lassie Meets a ChallengeSep. 12, 1965
