Lassie Season 12, Episode 32: The Strongest Instinct

Lassie Meets a Challenge

Sudden Fury

Lassie and the Dynamite

In an area being developed for swimming and fishing, two youngsters playing hooky wander into the blasting zone. Lassie is able to bring help and rescue the boys.

Lassie and the Seagull

Charlie Banana

In the Eyes of Lassie

Trouble at Paradise Lake

Little Dog Lost

Lassie's Time of Peril

A flooded river threatens to sweep away a bridge construction project. Ranger Corey Stuart and Lassie brave the raging waters in a small boat to construct a log chain barrier and control the flow of water and logs.

In the Midst of Splendor

Lassie Saves a Life

The Waif

Crisis

Pitfall

Temper the Wind

The Gift of Life

Lassie Catches the Poachers

The Town That Wouldn't Die

Just One Old Cow

The Outcast

Cradle of the Deep

The Homesick Hound

A bloodhound needs to be relocated, but he dislikes all his new abodes.

The Silent Threat

Corey and another ranger battle a spruce bud worm infestation by spraying but meet resistance from a horse ranch owner. Lassie makes friends with a colt and reveals the true cause of death of one of the horses.

The Friendless

Avalanche

Babes in the Woods

Lassie's Rescue Mission

The Doll

The Untamed Land

The Day the Mountain Shook

The Vigil