(Select Actor or Writer to List Associated Episodes)
| Actors | Adaptations | Calendars | Duplicates | Numbers | Plots | Titles | Writers |
| Episode: | 0253 |
| Title: | The Altar of Blood |
| Air Dates: | First Run - April 9, 1975
Repeat - July 12, 1975 |
| Plot: | A retired archaeological professor who has dedicated his life to the study of the Aztecs, and his daughter, descended from an Aztec mother, retire to Mexico. While constructing their new home, they stumble across a buried Aztec pyramid and are transported back in time where he is forced to see his daughter sacrificed. |
| Actors: |
Fred Gwynne
Mason Adams Jennifer Harmon Ian Martin |
| Writer: | Ian Martin |