parallel universe
parallel dimension
alternate universe
alternate reality

I'm thinking you may be living in a parallel universe though.

"Look through the field and you see the parallel universe on the other side."

I might be living in a parallel universe, that's all.

Or what might be Radio 4 in a parallel universe.

And then back again, as if nothing had happened except in some parallel universe.

I have spent the past few days in this parallel universe.

It's almost like I'm reading about me in some parallel universe.

I expect you know about the theory of the parallel universe?

Did I wake up this morning in a parallel universe?

Most of the story is set in the parallel universe affected by this history.

Maybe in some parallel universe, but Ernie knew better than to say such a thing.

The other number must have come from a parallel universe."

Or are you living in some parallel universe where everything is different?"

I think of it as taking place in a parallel universe."

When last seen, Cosmo was building his own parallel universe.

Ending up in another parallel universe might be our only option.

It was like being in a parallel universe, watching Summer driving slow.

One thing they specifically did not talk about was parallel universes.

Yet today, the Jets had come to play, turning this game into a sort of parallel universe.

The music became a kind of parallel universe in which we could give the characters some depth.

The Finch house is a parallel universe to the home he came from.

Now, Armstrong may feel instead as if he has fallen into some parallel universe.

In a parallel universe a group of people receive some rather strange letters.

But then there's another possibility: The future or past you travel into might just be a parallel universe.

The answer had come to him in a flash- parallel universes.