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The Sentry 

Kolchak tries to find some kind of reptilian monster that has been killing construction workers after they open a new tunnel, nearly 2 miles underground.


Seymour Robbie


Jeffrey Grant Rice (created by) (as Jeff Rice), L. Ford Neale | 1 more credit »

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Episode complete credited cast:
Darren McGavin ... Carl Kolchak
Simon Oakland ... Tony Vincenzo
Kathie Browne ... Lieutenant Irene Lamont
Albert Paulsen ... Dr. James Verhyden
John Hoyt ... Dr. Beckwith
Frank Marth ... Colonel Brody
Tom Bosley ... Jack Flaherty
Cliff Norton Cliff Norton ... Arnie Wisemore
Frank Campanella Frank Campanella ... Ted Chapman
Margaret Avery ... Ruth Van Galen
Lew Brown Lew Brown ... 1st Detective
Keith Walker Keith Walker ... 1st Reporter
Bill Deiz Bill Deiz ... 2nd Reporter
Greg Finley ... Dr. Phillips
Tom Moses ... Dr. Gordon


An underground data-storage facility uncovers a problem when they excavate a tunnel for a new wing. Carl investigates the deaths of several employees of the facility who appeared to have been killed by a wild animal, and he discovers a rampaging reptile that has been disturbed by the digging of the tunnel. As Kolchak tries to stay one step ahead of the law, the beast continues its assault on the facility, destroying anything and everything in its quest for the eggs that have been stolen from its nest. Written by acidxian

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Plot Keywords:

demon hunter | ford mustang | See All (2) »







Release Date:

28 March 1975 (USA) See more »

Company Credits

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Technical Specs


Sound Mix:




Aspect Ratio:

1.33 : 1
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Did You Know?


Last show of the series. See more »


Toward the end of the show, Kolchak finds the pod in the office and removes an egg from inside the pod. He figures out that is what the creature is after. He puts the egg on the table and puts the pod on the cart and returns to the room to make a torch. He finishes making the torch on the table by the egg which is still on the table. When he heads back to the cart, he leaves the egg on the table. There were other eggs in the pod but to attract the creature, he probably would have put the outside egg back into the pod so the creature would not come back looking for it. See more »


Carl Kolchak: Kindness!... That woman is about as kind as a Sturmbannführer.
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User Reviews

Kolchak: "The Sentry"
24 April 2018 | by WuchakkSee all my reviews

PLOT: Workers in an underground data-storage facility are mysteriously killed after excavating a tunnel for a new wing. Kolchak apprehends evidence of a reptilian creature and its motivation for the slayings. Tom Bosley of Happy Days has s small role as a host at the facility.

COMMENTARY: The story is a rip-off of Star Trek's excellent "Devil in the Dark" from eight years prior, but the writing isn't anywhere near as absorbing, although it's moderately entertaining. The monster costume isn't too bad for the mid-70s, but they should've kept the viewer from seeing the almost comical face/teeth. Less would've definitely been more in this case.

This episode is notable for being the final segment of the franchise. McGavin was becoming disillusioned with the show due to an exhausting schedule and the fact that he was rewriting scripts plus doing much of the production work without compensation. The ratings were mediocre so he asked to be released from his contract with two episodes yet to be shot. The network granted his request in light of the declining ratings. I wish Darren would've persevered and finished out the season because then we'd have two more episodes to enjoy. He was too fatigued at the time to see that this unique and seminal show would be his most well-known role, along with "A Christmas Story" (1983).

Another highlight is the beaming & lovely Kathie Browne as Lt. Irene Lamont. Kathie was McGavin's wife for 34 years until her death in 2003. You might recall her as hottie Deela in Star Trek's "Wink of an Eye" from seven years earlier. Unsurprisingly, her & Darren have great chemistry.

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