Thaddeus and Thor

'The information on this page is being entered prior to the actual broadcast of the episode. So far, only the title of this episode has been confirmed. The plotlines of this episode may be vastly different, as indicated by a recently-released summary on the Disney XD MediaNet website. Refer to the Discussion page for further details.'

Episode Summary
The Flynn's neighbors have relatives visiting who bear an uncanny resemblance to Candace, Phineas, Ferb, and Isabella. In fact, older sister Mandy has two younger brothers, Thaddeus and Thor, who drive her crazy with their ambitious projects. Although Candace and Mandy initially bond, they soon compete, urging their brothers to build the best backyard fort. Meanwhile, Perry finds himself in the middle of Dr. Doofenshmirtz's family reunion where Dr. Doofenshmirtz tries to throw the annual kickball tournament via the Kick-inator.

Background Information

 * In the Original Pitch, Linda states that most boys build forts, which was probably recycled out for this episode.
 * Similar in theme to "Cousin Bartie", a fake Season 2 episode that allegedly featured a doppelganger cousin of Phineas who would "go after Isabella."

Cast

 * Vincent Martella as Phineas
 * Ashley Tisdale as Candace
 * Thomas Sangster as Ferb
 * Alyson Stoner as Isabella
 * Ariel Winter as Gretchen
 * Cymphonique Miller as Holly
 * Isabella Murad as Milly
 * unknown voice talent as Ginger
 * Isabella Acres as Adyson
 * Isabella Acres as Katie
 * Caroline Rhea as Mom
 * Mitchel Musso as Jeremy
 * Kelly Hu as Stacy
 * Dan Povenmire as Dr. Doofenshmirtz
 * Jeff "Swampy" Marsh as Major Monogram
 * Richard O'Brien as Dad
 * Dee Bradley Baker as Perry
 * unknown voice talent as Thaddeus
 * unknown voice talent as Thor
 * unknown voice talent as Mandy
 * unknown voice talent as Currently Unnamed Isabella Lookalike