Donatello, Raphael and others in “Unfinished Business”

[He's just used his personality ray gun on Leonardo to turn him back] There. That should take care of it.

Do you think it worked?

We'll know in a minute. [removes the goggles from Leonardo's eyes]

Donatello, this workshop of yours is a disgrace. And Raphael and Michaelangelo, why aren't you in the practice room, working out?

It worked.