Bill's separated from his litter, making friends with the wild creatures until he's found and adopted by young Kathie. An accident separates him from her, and he's drafted into K-9 duty in the trenches until battle fatigue takes its toll and he turns vicious. And even though he finds his way back home, he may be condemned as a killer.
You can now watch Courage of Lassie online on the following streaming providers in the United States.
| Directing | Fred M. Wilcox | Director |
| Writing | Lionel Houser | Screenplay |
| Sound | Mario Castelnuovo-Tedesco | Original Music Composer |
| Art | Cedric Gibbons | Art Direction |
| Camera | Leonard Smith | Director of Photography |
| Art | Edwin B. Willis | Set Decoration |
| Editing | Conrad A. Nervig | Editor |
| Sound | Scott Bradley | Original Music Composer |
| Art | Paul Youngblood | Art Direction |
| Production | Robert Sisk | Producer |
| Sound | Bronislau Kaper | Original Music Composer |
| Sound | Douglas Shearer | Recording Supervision |
| Costume & Make-Up | Irene | Costume Supervisor |
