Tom Corbett, Space Cadet
The Final Test
TV Flash files “The Final Test” as a desk essential hour — Tom Corbett, Space Cadet (1950–1955) on CBS/ABC/NBC, season 4, episode 28, aired 1955-06-25, 30 min.
From the desk
How this hour is filed
This leaf is S04E28: listed hour 2 of 2 in the Tom Corbett, Space Cadet guide, the only listed hour of season 4. It aired 1955-06-25 (30 min). The listed hour before it is “Pilot” (S01E01). No later hour is listed in this guide.
Essential hour: “The Final Test”. The Final Test: titled closer, educational-tinged space adventure packing away after hopping CBS, ABC, and NBC.

Viewer FAQ
Where does The Final Test sit in the Tom Corbett, Space Cadet guide?
S04E28 is listed hour 2 of 2 — the only listed hour of season 4, season 4 episode 28.
When did Tom Corbett, Space Cadet S04E28 air?
The Final Test aired 1955-06-25 and is listed at 30 minutes.
Where should I start?
Start with Frankie Thomas at Space Academy. The manners-and-rockets brief is the show; network logos will change around him.
In the series
Why this series still plays
Tom Corbett, Space Cadet treated the solar system like homework with rocket ships: Space Academy manners, clean-cut Frankie Thomas, and a show that hopped CBS, ABC, and NBC. Watch it now as educational-tinged space adventure — boy-scout camp in orbit, years before NASA made the final frontier a news beat.
The silhouette is a clean-cut cadet in Space Academy manners — homework with rocket ships, boy-scout camp in orbit, a uniform that reads like a dress code for the solar system. Tom Corbett, Space Cadet (1950–1955) hopped CBS, ABC, and NBC without dropping the polish: Frankie Thomas as Tom, Al Markim as Astro, Jan Merlin as Roger Manning, Rockhill Productions. Educational-tinged space adventure years before NASA made the final frontier a news beat. Rockets as civics class. **This was not pulp chaos; this was a…
Filed against
- Frankie Thomas as Tom Corbett
Frankie Thomas saluted the solar system as Tom Corbett on Tom Corbett, Space Cadet — Space Academy manners, clean-cut orbit homework, a show that hopped CBS, ABC, and NBC. Boy-scout camp in a rocket, years before NASA made the fantasy…
- Al Markim as Astro
Al Markim’s Astro kept Space Academy manners on Tom Corbett, Space Cadet — solar system as homework with rocket ships, clean-cut Frankie Thomas, a show that hopped CBS, ABC, and NBC. Educational-tinged space adventure, boy-scout camp in…
- Jan Merlin as Roger Manning
Jan Merlin’s Roger Manning kept Tom Corbett, Space Cadet on Space Academy manners — solar system as homework with rocket ships, clean-cut Frankie Thomas, a 1950s show that hopped CBS, ABC, and NBC. Boy-scout camp in orbit. TV Flash files…