In Enchanted Dominion/See Ven, Terra, Thomas and Tino (Aqua, Brian and Stewie's Story)

They arrived in Enchanted Dominion

Stewie

Aqua: Another world I know.

And then they saw Terra, Ven, Thomas and Tino

Aqua: Ven, Terra?

Brian

They went off and they saw them disappeared

Brian: Are they.. Phantoms?

Aqua: I don't care if they are, or if we fall into the Darkness. We miss them!

Then a thorns just block them

Aqua: Get out of our way!

Stewie

They make it throught and they saw Darkside

Aqua: You really think you can keep us away from our friends?

Brian:

After they defeat they saw many Darkside

Stewie:

Aqua: Okay, then.

After they defeated them the giant Orb is gone and so does the Darkside,