The Gardners, the Martins' new neighbors, accuse Lassie of killing their cat and attacking their sheep, but Lassie knows there's a strange collie in the area.
| Title | The Mysterious Intruder |
|---|---|
| Genres | Action & Adventure Drama Family Comedy |
| Release Date | 1961-09-24 |
| Episode Runtime | 00 Hours 24 Minutes |
| Season Number | 8 |
| Episode Number | 3 |
| Production Companies |
