- You said you needed another Cromwell witch.
- That could be me. You can train me!

6 seconds sound clip from the Halloweentown movie soundboard.

You can hear this line at 00:32:43.420 in the Blu-ray version of the movie.

Quote context

[...]

- I dare say that she's going to be very upset when she finds you're gone.

- Can't we just call her?

- No, no, dear. I'm afraid we haven't worked out long-distance calling between worlds yet.

- No, I'll have to take you home myself.

- But you can't take us home!

- Yeah, we want to help you fight the bad thing!

- Yeah, the bad thing or the force field, whatever it is.

- You said you needed another Cromwell witch.

- That could be me. You can train me!

- Yeah, well, I suppose it would be all right if you could stay a little while. As long as we get you home before it's midnight in the Mortal World.

- But that's only two hours from now.

- Well, don't panic, dear. You see, time works differently in Halloweentown.

- Two hours there might be two days here, or two weeks, if we're on vacation.

[...]