Mine Your Own Business (Scooby-Doo, Where Are You!)

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This page is for the Scooby-Doo, Where Are You! episode. For the segment from The Scooby & Scrappy Doo Puppy Hour, see Mine Your Own Business (Scrappy & Yabba-Doo).
Mine Your Own Business (Scooby-Doo, Where Are You!)
Mine Your Own Business (SDWAY) title card
Scooby-Doo, Where Are You!
Episode 104
Airdate October 4, 1969
Written By Ken Spears
Joe Ruby
Bill Lutz
Directed By William Hanna
Joseph Barbera
Previous Episode Hassle in the Castle
Next Episode Decoy for a Dognapper

Mine Your Own Business is the fourth episode of the first season of Scooby-Doo, Where Are You!.


When the gang get lost in the desert and end up in Gold City, a spooky ghost town, the gang checks into a deserted inn. The owner explains that everybody has been scared off by the Miner Forty-Niner. They wind up in another mystery involving an abandoned mine, a ghostly, moaning miner and oil.


Thanks to Shaggy's bad navigation (as he was holding the map upside down), the gang get lost and wind up in an old west ghost town, Gold City, on a stormy night. They check into a guest ranch whose owner, Big Ben, is delighted to see them; it seems that he's had no guests for quite a spell. When the gang wonder about this, Ben's assistant, Hank, explains that it's on account of the "Miner Forty-Niner", the ghost of an old prospector who haunts the local mine searching for the last vein of gold. He's been scaring all the guests away—and Hank himself intends to light out soon.

With nothing else to do, the gang head into Gold City to look around. Initially, they don't find anything—though in the saloon Shaggy is startled by a player piano and a tree branch—until they regroup at the hotel. There, Scooby is panicked by the appearance of the Miner in a two-way mirror and knocks over a cigar-store Indian, dislodging a map of Gold City with what appears to be a safe combination scribbled in the corner. Opening the hotel safe, they find a secret elevator which takes them down into the mine itself. After Shaggy causes a dynamite mishap (he has mistaken them for candles), they explore, and the Miner appears and disappears behind some doors and chases Scooby and Shaggy in a rail car. Fred also manages to accidentally scare Shaggy and Scooby, thanks to him falling into a room full of baking flour. But the pieces start to fall together when the gang follows a wire that leads them to a room containing a tape recorder, a microphone/loudspeaker set up, and jars of crude oil. With these, they lay a trap for the Miner.

While Shaggy imitates diesel train noises over the loudspeaker, Scooby pilots a rail car with a loudspeaker and flashlight attached, mimicking a freight train barreling through the tunnel. He chases the Miner into and through a shack (destroying the old shack in the process), and the Miner's boots fall off to reveal stilts, and is thus unmasked as Hank. He had discovered that the mine, though exhausted of gold, is sitting on oil reserves; he had decided to try to scare off everyone so he could cheaply buy and exploit the land. But they foiled his plan, and now Hank is in jail. The episode ends with Scooby using the stilts Hank used when impersonating the miner to nab some apples from a tree.

Cast and characters

Actor Character
Don Messick Scooby-Doo
Casey Kasem Shaggy Rogers
Miner Forty-Niner
Frank Welker Fred Jones
Stefanianna Christopherson Daphne Blake
Nicole Jaffe Velma Dinkley
Hal Smith Big Ben


  • Miner Forty-Niner/Hank


Suspect Motive/reason
Big Ben Has the same size as the Miner.
Hank Strange manner.


Culprit Motive/reason
Hank as the Miner Forty-Niner He wanted the crude oil that was hidden in the mine so he could cheaply buy and exploit the land and dressed up as the miner to scare everyone away.



  • The episode title is a pun on "Mind your own business".
  • This episode uses different music for the title card. The music is only used again for The New Scooby-Doo Movies premiere.
  • This episode's title would be reused many years later for an episode of Scrappy & Yabba-Doo.
  • Present-day incarnations spell Miner Forty-Niner as Miner 49er.
  • It is revealed that Shaggy can imitate train noises. 



Animation mistakes and/or technical glitches

  • In the scene where Hank is talking to Mystery Inc. about the Miner, Velma is shown wearing lipstick like Daphne's, next scene Velma is back to her normal no-lipstick appearance.
  • When Scooby is reluctant to enter the abandoned hotel, Shaggy pushes him in, knocking the spots right off his back. Temporarily, anyway. 
  • When Scoob switches with Shaggy and opens the other's closet door, the knob is on the wrong side.
  • The railroad tracks go into the tool shed in which the miner is trapped, but the door looks too close to the ground for them to fit under. 
  • While picking apples, Scooby falls into a water trough, although it's not the same trough we saw a moment before; this one has a spigot nearby. 

Inconsistencies/continuity errors and/or goofs/oddities

  • Shaggy enters the combination to the lock, but Fred never read the numbers off like he said. In the end it's just a plot hole to further the story along and get them to the safe since they didn't need it after all.
  • In the excitement of finding the map, Scooby never tells the gang of his encounter with the miner. 
  • Shaggy opens one side of the swinging saloon door, and the other opens by itself.
  • Daphne says of the cigar store Indian, "It's hollow", although she is looking at it at such an angle that she can't see the hollow part. Similarly, Velma says, "It's a map of Gold City", while looking at the back of the map from three feet away. Perhaps it says "Map of Gold City" on the back. 
  • When Fred fell through the floor, he was covered in flour. But after the rail-car chase, Freddy is cleaned off.
  • Hank used stilts to make his legs longer, but nothing was ever said about how he made his arms longer.
  • Hank was the only person who knew about the oil in the mine, so why did he wind up getting arrested? He wasn't exactly doing anything illegal, unless he was charged for trespassing in the abandoned mine.

Home media


Fred: Are you sure we took the right turn, Shaggy?
Shaggy. Sure. (looks at the map he's holding) We took this road and turned to the right.
Velma: No wonder we're lost. You've been holding the map upside down.

Fred: I think we better split up and try and find out where that moan came from. I'll go this way with Daphne and Velma. You go that way with Scooby-Doo.
Shaggy: Thanks a lot.
Fred: And, Shaggy, if you find anything, holler.
Shaggy: I'm liable to holler even if I don't find anything.
Scooby: Hmm?

Shaggy: Look! Stilts!
Velma: Shaggy's right. He is wearing stilts.
Fred: Then this can only be only one person. (Fred removes the Miner Forty-Niner's long beard, knocking off his hat in the process, to reveal Hank) Hank!
Daphne and Velma: Hank?!
Hank: Aw, dagnabbit!

External links

Previous Episode:
Hassle in the Castle
Scooby-Doo, Where Are You!
Season 1
Next Episode:
Decoy for a Dognapper

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