[Red Guy]
When you feel down

[Red Guy and Duck]
Or when you feel sad

[All]
When your mind makes you think
That everything's bad
Try not to worry
You aren't completely insane
Just remember
There's a worm in your brain

[Red Guy]
Hey, the worm in my brain tells me I don't have the body type to pull off wearing denim, but I just tell it to pipe down

[Duck]
Urgh. And the worm in my brain makes me think that the documents I've been forging have lead to many deaths. But I know that's just silly

[Yellow Guy]
Huh?

[Red Guy]
That's right
[All]
We all have a worm in our brain
Yes, we all have a worm in our brain
Even the worm in your brain has a worm in it's brain
And that worm has a wor—