The Man in the Tank!
A killer hides in a water tank and when the train takes on engine water and drains the tank to halfway, the man can no longer latch on to the lid, eventually tires treading water and drowns.

You Can't Touch Bottom
A mysterious jacket has a spell on it that compels any who wear to stuff objects into the bottomless right pocket. A scientist figures he can get rich if he can figure out the secret of the other dimension and tries inserting various objects, even a note attempting to communicate, but he cannot figure out what object the other dimensional beings are looking for. Finally, he sticks his head in attempting to see, and falls all the way in. When the jacket is found the next day, the pocket now has a bottom sewn in.

A Scream in the Dark!
When a couple arrive at the end of the tunnel of love, they find that they have aged rapidly and the fairground deserted. They attempt to return the way they came, and they succeed in getting out the front entrance where the fair is still going on, but they remain of advanced age.

Devil's Island
A man takes his unfaithful lover in the dark to the largest pearl she has ever seen. It's still inside the giant clam which closes on her.