Phineas: On the first day of Christmas
Please, Santa, give to me
A jet-powered rocket ski

Candace: On the second day of Christmas
Please, Santa, give to me
Two busted brothers
Phineas: And a jet-powered rocket ski

Isabella: On the third day of Christmas
Please, Santa, give to me
A sash full of patches
Candace: Two busted brothers
Phineas: And a jet-powered rocket ski

Jeremy: On the fourth day of Christmas
Please, Santa, give to me
A silver guitar
Isabella: A sash full of patches
Candace: Two busted brothers
Phineas: And a jet-powered rocket ski

Dr. Doofenshmirtz: On the fifth day of Christmas
Please, Santa, give to me
The entire Tri-State Area!
Jeremy: A silver guitar
Isabella: A sash full of patches
Candace: Two busted brothers
Phineas: And a jet-powered rocket ski

Baljeet: On the sixth day of Christmas
Please, Santa, give to me
A kiss from a girl
Dr. Doofenshmirtz: The entire Tri-State Area...
Or at least a large portion of it. I don't... I don't want to get too greedy.
Jeremy: A silver guitar
Isabella: A sash full of patches
Candace: Two busted brothers
Phineas: And a jet-powered rocket ski

Buford: On the seventh day of Christmas
Please, Santa, give to me
More nerds to bully
Baljeet: A kiss from a girl
Dr. Doofenshmirtz: The entire Tri-State...
You know what, how about just two of the three states? That's fair, right? Deal?
Jeremy: A silver guitar
Isabella: A sash full of patches
Candace: Two busted brothers
Phineas: And a jet-powered rocket ski

Major Monogram: On the eighth day of Christmas
Please, Santa, give to me
Promotion to colonel
Buford: More nerds to bully
Baljeet: A kiss from a girl
Dr. Doofenshmirtz: One single state!
I feel like I was overreaching before. Just... just one state area will be fine. Go on with the song.
Jeremy: A silver guitar
Isabella: A sash full of patches
Candace: Two busted brothers!
Phineas: And a jet-powered rocket ski

On the ninth day of Christmas
Please, Santa, give to me
(Perry growls)
Major Monogram: Promotion to colonel
Buford: More nerds to bully
Baljeet: A kiss from a girl
Dr. Doofenshmirtz: Five golden rings!
Y'know, I had to sing it that way at least once. It's tradition... and I'm traditional.
Jeremy: A silver guitar
Isabella: A sash full of patches
Candace: Two busted brothers!
Phineas: And a jet-powered rocket ski

On the tenth day of Christmas
Please, Santa, give to me
Carl: A job that pays me money
(Perry growls)
Major Monogram: Promotion to colonel
Buford: More nerds to bully
Baljeet: A kiss from a girl
Dr. Doofenshmirtz: Yeah, actually, promotion to colonel sounds pretty sweet. Is it... is it too late to change mine?
Jeremy: A silver guitar
Isabella: A sash full of patches
Candace: TWO BUSTED BROTHERS!
Phineas: And a jet-powered rocket ski

Vanessa: On the eleventh day of Christmas
Please, Santa, give to me
My own set of wheels
Carl: A job that pays me money
(Perry growls)
Major Monogram: Promotion to colonel
Buford: More nerds to bully
Baljeet: A kiss from a girl
Dr. Doofenshmirtz: You know, this is way too much pressure, being put on the spot for one thing that I want from this mythic all-powerful gift giver who only comes once a year. It's insane!
Jeremy: A silver guitar
Isabella: A sash full of patches
Candace: TWO BUSTED BROTHERS!
Phineas: And a jet-powered rocket ski

On the twelth day of Christmas
Please, Santa, give to me
Ferb: One line of dialogue
Vanessa: My own set of wheels
Carl: A job that pays me money
(Perry growls)
Major Monogram: Promotion to colonel
Buford: More nerds to bully
Baljeet: A kiss from a girl
Dr. Doofenshmirtz: How about just some almond brittle? It's a realistic request, right?
Jeremy: A silver guitar
Isabella: A sash full of patches
Candace: Ah, forget it!
All: And a jet-powered rocket ski!
Dr. Doofenshmirtz:... inator!