Lyrics:

Knock knock. Trick or treat?
Who are you?
I'm a mummy. I'm a little mummy.
Knock knock. Trick or treat?
Who are you?
I'm a mummy. I'm a little mummy.

Knock knock. Trick or treat?
Who are you?
I'm an angel. I'm a little angel.
Knock knock. Trick or treat?
Who are you?
I'm an angel. I'm a little angel.

Knock knock. Trick or treat?
Who are you?
I'm a soccer player. A little soccer player.
Knock knock. Trick or treat?
Who are you?
I'm a soccer player. A little soccer player.

Knock knock. Trick or treat?
Who are you?
I'm an astronaut. I'm a little astronaut.
Knock knock. Trick or treat?
Who are you?
I'm an astronaut. I'm a little astronaut.

Knock knock. Trick or treat?
Who are you?
I'm a vampire. I'm a little vampire.
Knock knock. Trick or treat?
Who are you?
I'm a vampire. I'm a little vampire.

Knock knock. Trick or treat?
Who are you?
I'm a superhero. A little superhero.
Knock knock. Trick or treat?
Who are you?
I'm a superhero. A little superhero.

Knock knock. Trick or treat?
Happy Halloween. Happy Halloween.
Knock knock. Trick or treat?
Happy Halloween. Happy Halloween.