"Elephants III" joke

How do you get an elephant into the fridge?
1. Open door.
2. Insert elephant.
3. Close door.
How do you get a giraffe into the fridge?
1. Open door.
2. Remove elephant.
3. Insert giraffe.
4. Close door.
How do you know there are *two* elephants in your fridge?
The door won't close.
How do you know there are *three* elephants in your fridge?
There'll be one waiting outside in the Mini.
How can you tell that an elephant has been in your fridge?
By the footprints in the butter.