Season 12

October 10, 1965

October 17, 1965

October 24, 1965

October 31, 1965

November 7, 1965

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.

November 14, 1965

November 21, 1965

November 28, 1965

December 5, 1965

December 12, 1965

December 19, 1965

December 26, 1965

January 2, 1966

January 16, 1966

January 23, 1966

January 30, 1966

February 6, 1966

February 13, 1966

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

February 20, 1966

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.

February 27, 1966

March 6, 1966

March 13, 1966

March 20, 1966

March 27, 1966

April 3, 1966

April 17, 1966

April 24, 1966

May 1, 1966