Also most famously in the scene where Connor is messing about with T2’s head or whatever, before a mirror. They had a stand-in for Schwarzenegger, but had Hamiltons on both sides of the ‘mirror’. But that scene might’ve been deleted or only in an extended edit, idk.

And iirc when Connor has the nuke dream, she sees herself on the playground, again via the power of having two of the twins.