Hoppy uses an incriminating letter and a crooked card deck to hunt down the murderers of a small boy's parents.
| Title | Marked Cards |
|---|---|
| Genres | Western |
| Release Date | 1952-10-28 |
| Episode Runtime | 00 Hours 30 Minutes |
| Season Number | 1 |
| Episode Number | 7 |
| Production Companies | B.B. Productions, Hopalong Cassidy Productions Inc., William Boyd Productions Inc. |
