Phineas and Ferb: 104 Days of Summer! Season 1 Episode 61 The Secret of Success / The Doof Side of the Moon

Phineas and Ferb: 104 Days of Summer! season 1 episode 61, titled "The Secret of Success / The Doof Side of the Moon," follows the titular characters and their friends on two separate adventures.

In the first part of the episode, "The Secret of Success," Phineas and Ferb set out to discover the secret behind being successful. They decide to launch a rocket into space in order to retrieve a mysterious object that is said to hold the key to success. Candace, still determined to bust her brothers, tries to sabotage their plans but ends up accidentally launching the rocket herself.

Meanwhile, Perry the Platypus, who is also on a mission, infiltrates Dr. Doofenshmirtz's latest evil scheme. Doofenshmirtz has built a "Power-Drain-inator" that he plans to use to drain the power from all the success in the Tri-State Area, thus making himself the most successful person around. Perry manages to thwart Doofenshmirtz's plans, and the evil scientist ends up getting caught in his own trap.

In the second part of the episode, "The Doof Side of the Moon," Phineas and Ferb decide to build a giant robot to explore the dark side of the moon. Meanwhile, Doofenshmirtz, still reeling from his defeat in the previous adventure, decides to take a trip to the moon to find a new location for his "Lair-inator."

As the two groups converge on the moon, they stumble upon an ancient lunar civilization. The alien race teaches them about the balance of the universe, and how success can only be achieved by working together. Phineas and Ferb decide to use their robot to take the aliens' message back to Earth, while Doofenshmirtz ends up destroying his own headquarters.

"The Secret of Success / The Doof Side of the Moon" is a fun and action-packed episode that explores themes of success, teamwork, and the wonders of the universe. The show's trademark humor and zany inventions are on full display, making it a must-watch for fans of the series.