First Doctor, Second Doctor and others in “The Three Doctors”

[As he appears on the TARDIS's television screen] Ah, there you are! I seem to be stuck up here. [He examines the Second and Third Doctors.] So you're my replacements. [They smile at him.] Humph. A dandy and a clown. [They appear insulted.] Have you done anything?

Uh, well we've assessed the situation-

Just as I thought! [Chuckles] Nothing.

Well it's not easy you know.

It's not as if we know what that stuff is.

No.

Then I'll tell you. It's a time bridge.

It's a what?

I see!

Now what's a bridge for, eh?

Well. Um.

Crossing?

Right! So now dilly-dallying and cross it.

No! No wait!

You faded him again!

I did not fade him. You saw him!

Yes, you certainly did.

Jo Grant

I hate to ask, but who was that?

Me [The Doctors look at each other] Me!