The action takes place in the town of Kirlian in the Buenos Aires province. The location of this town is unknown. Anyone who knows where it is already living there. If you get there, you better not go out at night and don't you dare tell anyone about it. Someone will hunt you down and make sure of it.
That someone is the mysterious radio show host, who broadcasts all night, every night to report on the rampant supernatural events that affect the citizens. Every night he offers the people of Kirlian a little solace, entertainment and protection from their life in this town where they get attacked by aliens, witches, ogres, vampires, mutant mosquitoes and eldritch abominations on a nightly basis.
The Kirlian Frequency contains examples of:
- Aliens in Cardiff: A large collection of horrors somewhere in Argentina near Buenos Aires.
- Apocalyptic Log: The show's advertisement mentions that the Kirlian Frequency stopped broadcasting in April 30th 1987 and the cassettes we listen to that provide every episode were restored 30 years later.
- Art Shift: The third episode has the Host celebrating Christmas in April and the art style of the show changes to children's drawings.
- Bait-and-Switch: The second episode has a woman encountering a group of teens that fulfill every point of vampires in the vein of The Lost Boys and she decides to offer herself to them hoping they will turn her. Turns out they were a kind of mutant were-mosquito instead and leave her alone after she does. Foreshadowed in a sense when they laugh off some other girl pulling a stake in them.
- Bittersweet Ending: About the happiest that any of the endings get.
- Call-Back: In the fifth episode the kid who learns about the masquerade is the same one we see in episode three trying to fight a coven of witches.
- Christmas in July: The Host decides to celebrate Christmas in April, because we probably won't get to May. There is a comet that will come in two weeks and maybe wipe out life and everything else. As a result, he decides to start a policy that night of only receiving good news through his callers. He doesn't get his wish.
- Dark Is Not Evil: The Host is decidedly creepy and appears to be some some sort of zombie, but he doesn't seem to bear any actual malice towards visitors to Kirlian. In episode two, he makes a point of wishing the caller well and hopes that she comes out of her experience intact.
- Dem Bones: The Host, who when seen from a certain angle reveals the shadow of a living talking humanoid skeleton.
- Eldritch Abomination: The host has a large cavern under the radio station where....something lives. A large tentacled entity with one large eye which is implied to be the source of at least some of the strange phenomenon in Kirlian by bringing stories it reads to life. The example we see is it manifesting a bunch of Stephen King stories during a night in April, ironically when the Host hoped that if he asked for people calling to give him only good news, he would get it.
- Eldritch Location: Kirlian. A tiny little town, with a lot of supernatural forces.
- Grey-and-Gray Morality: Crossed over with Black-and-Gray Morality. This is mostly because being on the brighter side of the morality-spectrum tends to end very, very badly in Kirlian.
- Kid Hero: Four kids try to take on a coven of witches. It doesn't end well for the kids.
- Nice Day, Deadly Night: It is mentioned repeatedly that the town of Kirlian is safe and "normal" (so to speak) during the day, and all of the supernatural abominations that want to kill you only come out after dark. As a result, the Host constantly reminds people to stay at home at night.
- No Good Deed Goes Unpunished: A dog won't stop barking at an old man when he's left alone in his house, driving the poor guy mad. It's revealed near the end of the episode that the dog was actually trying to warn him that his own family was planning to murder him. The old man gets killed anyways shortly after that and the dog's owners have him euthanized for his trouble.
- Number of the Beast: Together with 6 Is 9: the Kirlian Frequency airs on 96.6 FM.
- Opaque Lenses: The Host usually has his eyes obscured by these. When not, his eyes are revealed to be red pinpricks.
- Police Are Useless: The Kirlian Police Department does not work at night, if you call the "emergency" number at night, it calls the Radio Station.
- Revenant Zombie: The Host's silhouette makes it clear that he's somewhere between a Revenant Zombie and a near-bare skeleton. The first episode also heavily implies that the Host is not actually the original inhabitant of his body, as he begins the episode warning people not to listen to the child-ghost who subsequently accuses him of having stolen his body.
- Shout-Out: Various Stephen King stories are referenced in "The King of Christmas."
- Small Town, Big Hell: The series combines this trope with Town with a Dark Secret and Buccaneer Broadcaster, since tells the story of a radio station which only works at night and relates all kind of obscure events that happens in this town, that could be monsters, aliens and other paranormal stuff, a kind of modern Tales from the Crypt.
- The Stoic: The Host rarely raises his voice and only has slight inflections in his voice to show emotion.
- Town with a Dark Secret: More like multiple dark secrets, actually.
- 20 Minutes into the Past: The show's advertisement sets its events in The '80s.
- World of Weirdness: The town of Kirlian is loaded with a wide variety of weird things, from highly intelligent dogs to mutant were-mosquitoes to werewolves to an Eldritch Abomination that reads Stephen King novels to fend off its immense loneliness and accidentally manifested every horror King created one night in April to an undead (or worse) being that prefers to pass its nights being a radio DJ and trying (in some way) to help people.
- Wrong Genre Savvy: A lady enters Kirlian, and assumes that a group of bikers are vampires, based on how they are called Bloodsuckers and appear to be immortal, and urges them to turn her into one. They laugh in her face. As it turns out, they are not vampires, but mutant mosquitoes
