Phineas And Ferb: Season 1, Episode 1

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Phineas and Ferb are as bored as they can be during the start of their summer vacation, and they decide to do something about it. Phineas comes up with the idea of building a rollercoaster in the house's garden, and the construction begins. However, Candace finds out, and seeing it as a violation of her being the boss, she tries to bring her Mother home from the supermarket, but it's not an easy job. Meanwhile, Perry the Platypus must stop Dr. Doofenschmirtz from succeeding his evil plans; using a giant magnet to reserve the Earth's rotation in the east and west.