Parallel worlds.

Imagine there are different worlds.

Worlds with another Pete Tyler

London has fallen, so shall the world.

I will bring peace to the world.

Tell them how she died saving the world.

A parallel world where my dad's still alive.

I told you, travel between parallel worlds is impossible.

Oh, who needs family? I've got the whole world on my shoulders.

It sort of balances out 'cause this world lost its Ricky, but there's me.

But you two, you know, all that stuff you said about different worlds.

They started on an ordinary world just like this, then swarmed across the galaxy.

'Cause those ordinary people, they're the key. The most ordinary person can change the world.