Where To Stream Phineas and Ferb Season 3 Episode 58
When Worlds Collide
- Aired September 14, 2012
- 15 Min
- Rated 8.5
- Number 148 Of 247 Rated Episodes
After discovering that a strange planet is hurtling directly towards Danville, Phineas and Ferb set out to avert a disaster, while Buford looks forward to making contact with its alien race. Meanwhile, Dr. Doofenshmirtz hopes to steal the world's largest ball of twine.