| SOURCE | DESTINATION | VIA |
|---|---|---|
| 1. [420] THE HUMAN DUPLICATORS | -> [K13] SST DEATH FLIGHT | Walter Maslow as (no title) / Passenger |
| 2. [K13] SST DEATH FLIGHT | -> [517] THE BEGINNING OF THE END | Peter Graves as Paul Whitley / Dr. Ed Wainwright |
| 3. [517] THE BEGINNING OF THE END | -> [602] INVASION U.S.A. | Bert Stevens as Col. Hill / Plane Spotter, 1 more. |
| SOURCE | DESTINATION | VIA |
| 1. [420] THE HUMAN DUPLICATORS | -> [106] THE CRAWLING HAND | Richard Arlen as National Intelligence / Lee Barrenger |
| 2. [106] THE CRAWLING HAND | -> [511] GUNSLINGER | Allison Hayes as Donna / Erica Page |
| 3. [511] GUNSLINGER | -> [602] INVASION U.S.A. | William Schallert as Marshal Scott Hood / Third Newscaster |
| SOURCE | DESTINATION | VIA |
| 1. [420] THE HUMAN DUPLICATORS | -> [803] THE MOLE PEOPLE | Hugh Beaumont as Austin Welles / Dr. Jud Bellamin |
| 2. [803] THE MOLE PEOPLE | -> [801] REVENGE OF THE CREATURE | John Agar as Dr. Roger Bentley / Prof. Clete Ferguson, 2 more. |
| 3. [801] REVENGE OF THE CREATURE | -> [602] INVASION U.S.A. | Bert Stevens as Man in Search Party / Plane Spotter |