- Phineas and Ferb (1)
What if Isabella didn't exist as a person, but as an imaginary friend from PHineas' past? How would the gang be affected. After a year of absence, Isabella returns and Phineas is eager to catch up. However, as the summer progresses and Isabella's existance becomes increasingly dubious, Phineas realizes that it will take everything he has to make his dream girl a reality.
- Part 1 of Phineas and Ferb-Imagination
In a world without Isabella, Phineas is without a best friend. Only a shade of her exists in this reality, but Phineas is making the most of it. While the inability to truely interact with her is driving Phineas mad, it becomes increasingly apparant that there is far more to Isabella than meets the eye. After all, if there's one thing that Phineas is known for, it's bringing his imagination to life.