Highway Patrol
Copter Cave-In
TV Flash files “Copter Cave-In” as hour 135 of 156 in the TV Flash guide — Highway Patrol (1955–1959) on Syndication, season 4, episode 18, aired 1959-02-02, 30 min.
From the desk
How this hour is filed
This leaf is S04E18: listed hour 135 of 156 in the Highway Patrol guide, hour 18 of 39 in season 4. It aired 1959-02-02 (30 min). The listed hour before it is “Narcotics Racket” (S04E17). Next is “Gem Robbery” (S04E19).

Viewer FAQ
Where does Copter Cave-In sit in the Highway Patrol guide?
S04E18 is listed hour 135 of 156 — hour 18 of 39 in season 4, season 4 episode 18.
When did Highway Patrol S04E18 air?
Copter Cave-In aired 1959-02-02 and is listed at 30 minutes.
Where should I start?
Start with Crawford barking ten-four over freeway crime. Semi-documentary dispatch is the form; you have the show in one chase.
In the series
Why this series still plays
Highway Patrol proved first-run syndication could own the culture: Broderick Crawford's bark, endless freeways, and ten-four as national grammar. Watch it in 2026 as the radio-dispatch crime show that taught America cop-talk — gravel voice, squad cars, and a non-network hit that still sounds like a scanner.
Ten-four, and the living room answers. First-run syndication, 1955–1959, Ziv Television, 156 episodes of Chief Dan Mathews leading California Highway Patrol officers against hijackers, killers, and road crime in semi-documentary bark. Broderick Crawford's gravel, William Boyett's sergeant, endless freeways, radio codes as national grammar. Highway Patrol did not need a network logo to own the night. It sounded like a scanner you could not turn off. On the palate: asphalt, a dispatch speaker, and a closing shout…
Filed against
- Broderick Crawford as Dan Mathews
Broderick Crawford's bark made Highway Patrol a first-run syndication hit — endless freeways, ten-four as national grammar, gravel voice as the brand. Squad cars and radio-dispatch crime that taught America cop-talk without a network…
- William Boyett as Sgt. Ken Williams
William Boyett’s Sgt. Ken Williams rode Highway Patrol as ten-four infrastructure — Broderick Crawford’s bark, endless freeways, first-run syndication that owned the culture. Radio-dispatch crime that taught America cop-talk: gravel…