| SOURCE | DESTINATION | VIA |
|---|---|---|
| 1. [K19] HANGAR 18 | -> [511] GUNSLINGER | William Schallert as Professor Mills / Marshal Scott Hood |
| 2. [511] GUNSLINGER | -> [311] IT CONQUERED THE WORLD | Jonathan Haze as Jake Hayes / Pvt. Manuel Ortiz, 2 more. |
| 3. [311] IT CONQUERED THE WORLD | -> [811] PARTS: THE CLONUS HORROR | Peter Graves as Dr. Paul Nelson / Jeffrey Knight |
| SOURCE | DESTINATION | VIA |
| 1. [K19] HANGAR 18 | -> [602] INVASION U.S.A. | William Schallert as Professor Mills / Third Newscaster |
| 2. [602] INVASION U.S.A. | -> [517] THE BEGINNING OF THE END | Bert Stevens as Plane Spotter / Col. Hill, 1 more. |
| 3. [517] THE BEGINNING OF THE END | -> [811] PARTS: THE CLONUS HORROR | Peter Graves as Dr. Ed Wainwright / Jeffrey Knight |