A time machine inventor's friends attempt to play a gag on him to get him to stop wasting his time trying to invent a time machine. But the machine does work, and when his friend looks out the door into the future world he sees robot slavers approaching him. The inventor just thinks he is trying to fool him again so he destroys the controls. Moments later a robot hand smashes through the door.
A woman on a farm who is always complaining that she doesn't have six hands to do all the work that she is asked to gets her wish when an alien with the power to grow new limbs crash lands in her barn.
An escaped convict goes after his defense lawyer on Christmas day with the intent to murder him and his wife and child. The boy got a disintegrator gun as his present and he aims it at the convict which provokes fits of laughter. The boy pulls the trigger and disintegrates him.