Doof 101

After facing the choice of imprisonment or community service, Doof becomes a teacher at Vanessa's school. Meanwhile a trio of bugs embark on a journey to become the first insects to communicate with humans. Phineas and Ferb make modifications to their school playground.

Perry's entrance to his lair
Perry's entrance to his lair should not be italicized. If no lair entrance appears, please replace this with, None.

Evil Jingle
Dr. Doofenshmirtz's Evil Jingle should be italicized, and any explanation not. If no Evil Jingle appears, please replace this with, None.

Background Information

 * This is the first episode to take place while the characters are at school
 * Sixth episode to take place outside of summer. ("Phineas and Ferb Christmas Vacation!," "That's the Spirit", "For Your Ice Only", "Happy New Year!", "Druselsteinoween")

Production Information

 * The first image of this episode was featured in the promo for Disney XD's Animacation.

Continuity

 * Johnny and Vannessa are broken up, as seen in the episode "Minor Monogram".

Trivia

 * Third episode to show someone's school ("Are You My Mummy?", "Nerds of a Feather").
 * The third episode to not take place on a seasonal break from school ("That's the Spirit", "Druselsteinoween").
 * This is Johnny's first appearance since "Skiddley Whiffers".

Cast

 * Vincent Martella as Phineas
 * Ashley Tisdale as Candace
 * Thomas Sangster as Ferb
 * Caroline Rhea as Mom
 * Dan Povenmire as Dr. Doofenshmirtz
 * Jeff "Swampy" Marsh as Major Monogram
 * Dee Bradley Baker as Perry
 * Alyson Stoner as Isabella
 * Bobby Gaylor as Buford
 * Maulik Pancholy as Baljeet
 * Olivia Olson as Vanessa
 * Benita Scheckel as Lacie
 * Logan Miller as Johnny
 * Jennifer Grey as TBA
 * Diamond White as Holly
 * Michaela Zee as Ginger
 * John Hodgman as TBA