When on Earth
- Episode aired Sep 1, 2010
![Alpha Planet (2010)](https://m.media-amazon.com/images/M/MV5BNzg0NzY0MDgwN15BMl5BanBnXkFtZTcwMDI2NjQ5NQ@@._V1_QL75_UY281_CR2,0,190,281_.jpg)
The crew pick up the pieces as they realize their ship has left without them. With few supplies left, they start the journey to track down the Columbus II.The crew pick up the pieces as they realize their ship has left without them. With few supplies left, they start the journey to track down the Columbus II.The crew pick up the pieces as they realize their ship has left without them. With few supplies left, they start the journey to track down the Columbus II.