This is an idea I've had for a while. Based on the episode of Phineas and Ferb, "I Was a Middle Aged Robot." I do not own Phineas and Ferb, they belong to Dan Povenmire and Jeff "Swampy" Marsh. On with the story!
Beep! Beep! Beep!
Perry quickly checked to make sure no one was around before opening his secret entrance in the wall. He quickly slid down his entrance ready to receive his newest mission. Little did he know that the door did not close behind him as it usually would.
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"Hmm… what's taking the delivery trucks so long? I called them over half an hour ago" Phineas asked himself as he walked through the gate back into the yard. He had been waiting for the supplies he need for his latest invention in the front yard for the past twenty-five minutes, and still no delivery.
"They usually come within the first five minutes. They better hurry or we won't make it to the Father-Daughter pic-" he stopped mid-sentence as he looked down and saw the hole in the wall.
"Uh, oh, man, Mom's not going to be too happy about this." He said as he bent down to examine the hole. "Wow, it's deep. It looks like it goes into the ground-aaaaaaaaaaahh!"
He continued to scream as he fell through the series of tubes that went under the house. However, his screams had changed from screams of fear, to screams of pleasure at the fun ride that his brother had undoubtedly created. Suddenly he fell into a small room full of small equipment.
"Ah, Agent P, so glad you could make it." Phineas turned around at the sound of the strange voice, and instantly ducked behind the hover car nearby.
Phineas looked closely at this "Agent P" and gasped, realizing who it was.
"Perry?"
Well, there's chapter one! As usual constructive criticism and no cursing in the coments, please! God bless!