1:33:05
[Luke]
That's where they went.
1:33:12
[Jim]
Look. One stayed behind.
1:33:40
[Terri]Earth.
Before the continents separated.
1:33:54
[Luke]
My God. That's it.
1:33:57
Hundreds of millions of years ago, there
was a sudden explosion of life on Earth.
1:34:04
The first multi-celled plants
and animals appeared.
1:34:08
No one has ever understood
why or how it happened.