Phineas and Ferb has built robot versions of themselves to help build their projects.
Meanwhile Dr. Doofenshmirtz tries to erase the messages he left on his girlfriend's answering machine.
* AIIsACrapshoot: The robots turn on Phineas and Ferb.
* WhatHappenedToTheMouse: The Phinedroids and Ferbots are disposed of, but the Candroid is still around by the end.
** Also we don't know what happened to the robot machine after this episode, since it never disappeared. Same with the other inventions the brobots made.