Phineas and Ferb - Opening Original Pitch Second Winter Theme Song Main article: Phineas and Ferb Winter Vacation Background Information

The ending from the 2011 Halloween special is reused with different background music.

Also in the Whack-a-Pest scene, there are more singers than the original one.

A skeleton pops out of the holes in the Whack-a-Pest game.

A scary voice akin to Boris Karloff says 'Come on, Perry' instead of Phineas.

A skeleton replaces a kid behind Isabella in the rollercoaster.The racecar is being painted purple and a skull replaces the number two.Rover is seen in a graveyard instead of the backyard.Another skeleton is seen behind Ferb in the garage when they create nanobots.The unicorn-turtle is replaced by a goblin wearing a sorcerer hat behind a tombstone.A skeleton is seen behind Ferb on the rocket.The sun is replaced with a live-action moon.Many scenes are dimmed to give off the appearance that they take place at night.

Female background vocals going, 'Wah-wah-oooh' like in 'Monster Mash' by Bobby (Boris) Pickett and the Crypt Keepers.A theremin is heard in the last few bars over the song and over Candace's line.ДЇor the 2012-2013 Halloween specials ' Druselsteinoween'/' Face Your Fear' and ' Terrifying Tri-State Trilogy of Terror', the theme song was rethemed for Halloween.Candace complains, 'Mom! Phineas and Ferb are making a Halloween special!'.The 'fly-by' pictures include scenes from ' The Monster of Phineas-n-Ferbenstein' and ' One Good Scare Ought to Do It!', along with a production/concept picture for ' Are You My Mummy?'.New background images during Phineas and Ferb's dance with spiders coming down on a silk thread, a hand reaching out of the ground next to a grave, and Doonkelberry Bats flying.DoofenshmirtzДЇor the 2011 Halloween special ' That's the Spirit' and ' The Curse of Candace', the original song was used, but the ending of the title sequence was changed as follows: In Season 4 at the end of the song, images from Season 2 are changed to images from Season 3 which were taken from Phineas and Ferb the Movie: Across the 2nd Dimension, ' Doof Dynasty', ' Moon Farm', ' The Remains of the Platypus', ' Escape from Phineas Tower', ' Tri-Stone Area', ' Excaliferb', and ' Bully Bromance Breakup'. In Season 3 at the end of the song, images from Season 1 are changed to images from Season 2 which were taken from ' Phineas and Ferb: Summer Belongs to You!', ' Ain't No Kiddie Ride', ' Spa Day', ' Tip of the Day', ' Wizard of Odd', ' Hide and Seek', ' The Baljeatles', and ' Atlantis'. Before that, he has a neutral expression on his face.ДЄlso, when Candace plays 'Whack a Pest' in the title sequence of Season 2, you can see the sides of the game board. In order, these scenes are taken from ' Leave the Busting to Us!', 'The Fast and the Phineas', 'Rollercoaster', ' Greece Lightning', ' Out to Launch', ' Flop Starz', ' Mom's Birthday' and ' S'Winter'.ДЄs of the second-season episode ' Don't Even Blink', when the song gets to the 'like maybe' part, Phineas' smile broadens as the camera zooms in. In Season 2, at the end of the song, the images from the Original Pitch are changed to images of Phineas and Ferb in Season 1. Although not all of the contraptions in the Original Pitch are seen in Season 1 yet, the pictures depict images of contraptions/events from ' Rollercoaster'/' Rollercoaster: the Musical!', ' The Fast and the Phineas', ' Sleepwalk Surprise', ' Are You My Mummy?', ' Swiss Family Phineas', and ' Toy to the World'.

In Season 1, at the end of the song, the images are taken from the Original Pitch pictures, depicting some of the pictures of the boys' contraptions in the future episodes. 'Cause Phineas and Ferb are gonna do it all!Д¬andace: Mom! Phineas and Ferb are making a title sequence! There's a hundred and four days of summer vacation

Who sang phineas and ferb theme song