Drawn to Fight

Phineas and Ferb make markers that whatever they draw becomes real! Meanwhile, when Doofenshmirtz is defeated early, Monogram and Doofenshmirtz have to team up to defeat a humongous Spitzhenhound accidently created by Doof's failed inator, and Candace, Mandy and Vanessa team up to bust Phineas and Ferb, Thaddeus and Thor and Doofenshmirtz.

Episode Summary
Isabella enters the Flynn-Fletcher backyard, but before she can ask "Whatcha Doin'?", Phineas and Baljeet explain that they made markers to make whatever they draw become real. Isabella is impressed and uses her marker to draw a gown, but before she finishes, she accidently smudges it. She is disappointed, but Phineas reveals that eraser mode, which he uses to erase the smudge. Isabella then finishes the gown, but realizes it's too big anyway, so just erases it. Phineas then notices that Perry has come back.

In Perry's lair, Carl informs Monogram that Perry completed his mission early today, so Monogram heads out to the coffee store in order to relax for the day.

Meanwhile, Candace is in the front yard, relaxing while talking to Stacy about Phineas and Ferb. She sees Vanessa walking down the street talking to Lacy on the phone about a similar situation with Doofenshmirtz. Candace hangs up on Stacy and asks Vanessa (who hangs up on Lacy) about her busting. Vanessa explains that Doof builds weird inator things every day to try to destroy something, or someone. Candace explains her situation and Mandy, who is visiting Mrs. Weaver again, joins them. They all agree to work together to bust Phineas/Ferb, Doofenshmirtz and Thaddeus/Thor.

Meanwhile, Phineas and Ferb are having fun drawing things and Buford suggests they draw a giant robot they could ride in. The others agree and they begin building. However, Buford secretely adds a "fighting disc" to the programming, allowing it to be the biggest bully in the Tri-State Area.

At DEI, Doofenshmirtz is cleaning up the remnants of his latest inator with help from Norm. Norm asks him what the inator even did, and Doofenshmirtz tells him the story of the boy who called Spitzhenhound, then reveals that he was going to use it to get rid of all Spitzhenhounds- or even just plain old dogs. When Doofenshmirtz leaves to the coffee shop to relax, Norm decides to rebuild the inator to impress Doof and the Quirky Worky Song begins. Norm finally finishes and decides to go tell Doofenshmirtz. Vanessa, Mandy and Candace enter the room and see the No-Spitzhenhound-Inator (as Norm signed it) and take pictures, each of them using their own phone so that the pictures can't ALL be removed.

Doofenshmirtz and Monogram both greet each other at the same coffee shop. Doofenshmirtz orders some muffins and coffee before complaining about Norm's uselessness. Monogram talks about Carl's uselessness and they continue talking until Norm reveals himself. Norm tells Doofenshmirtz that he rebuilt the No-Spitzhenhound-Inator and asks if he wants to see it. Doofenshmirtz declines and Norm returns to DEI.

Back with the Flynn-Fletchers, Thaddeus and Thor are spying on Phineas and Ferb. Thaddeus announces that "He knows who they're going to outdo today". They begin building similar markers, but "awesomer" according to Thor. Louise enters the backyard and joins them in building, taking the role of Isabella.

To be continued...