Just a Couple Hundred Bucks

Phineas and Ferb try to get rich. Meanwhile, Dr Doofensmirtz builds a hat-inator to make a realy awsome hat.

Episode Summary
At the mall: Pineas: "Wow! A special-edition cowboy hat! I've been wanting that for some time!'(Don't remember? It was in Summer Belongs to You.) "But why's it so much money?" Ferb: "Probably because it comes with rocket boosters." Phineas: "Then we will have to get rich! We can sell our inventoins!" "Hey, Where's Perry?"  Meanwhile, Perry crashes through the window of Dr. Doofensmirtz Evil Incorparated and instantly falls in a trap.