Science Fiction Theatre
The Sound That Kills
TV Flash files “The Sound That Kills” as a desk essential hour — Science Fiction Theatre (1955–1957) on Syndication, season 2, episode 39, aired 1957-04-06, 30 min.
From the desk
How this hour is filed
This leaf is S02E39: listed hour 78 of 78 in the Science Fiction Theatre guide, last listed hour of season 2. It aired 1957-04-06 (30 min). The listed hour before it is “The Strange Lodger” (S02E38). No later hour is listed in this guide.
Essential hour: “The Sound That Kills”. The Sound That Kills closes 1957: last titled experiment, the lab-coat anthology packing away after two seasons of modest wonder.

Viewer FAQ
Where does The Sound That Kills sit in the Science Fiction Theatre guide?
S02E39 is listed hour 78 of 78 — last listed hour of season 2, season 2 episode 39.
When did Science Fiction Theatre S02E39 air?
The Sound That Kills aired 1957-04-06 and is listed at 30 minutes.
Where should I start?
Start with Truman Bradley's host lectures, then a 'plausible wonder' half-hour. The lab-coat framing is the difference from kid space opera.
In the series
Why this series still plays
Science Fiction Theatre is sci-fi for grown-ups in a lab coat: host Truman Bradley's deadpan science lectures and plausible wonders. Adult-leaning anthology that bridges pulp kids' shows and Twilight Zone seriousness. Watch it in 2026 as 1950s educational futurism — the weekly promise that tomorrow was a demonstration, not a monster.
So about the lab coat. (Spoiler-free, mostly: the monster does not have to arrive. That is the twist, and also the anti-twist.) Science Fiction Theatre (syndication, 1955–1957) is sci-fi for grown-ups: host Truman Bradley's deadpan science lectures and plausible wonders, produced by Ivan Tors, seventy-eight episodes, two seasons. Adult-leaning anthology that bridges pulp kids' shows and later Twilight Zone seriousness. Weekly promise that tomorrow was a demonstration, not a monster. Educational futurism with a…
Filed against
- Truman Bradley as Host
Truman Bradley hosted Science Fiction Theatre in a lab coat — deadpan science lectures, plausible wonders, 1950s sci-fi for grown-ups instead of pulp kids’ hour. Adult-leaning anthology that bridges Saturday serials and Twilight Zone…