Charmed - Episode 720 - Imaginary Fiends

The Charmed Ones discover that baby Wyatt's (Kristopher and Jason Simmons) new "imaginary" friend is actually the demon Vicus (guest star Marcus Chait), who is trying to win Wyatt's trust to turn him evil. Piper casts a spell to be able to understand baby Wyatt, but inadvertently brings 25-year-old Wyatt (guest star Wes Ramsey) back from the future. When Vicus places a curse on baby Wyatt, the effects are seen immediately in future Wyatt, who physically transforms into a darker version of his previous self. Evil and powerful, future Wyatt kidnaps baby Wyatt so that the sisters can not convert him back to good. Meanwhile, before future Wyatt leaves, he gives Phoebe, Paige, Piper and Leo insight into the future.

Wyatt: Magic may work in mysterious ways but it always works.
Paige: Where'd you hear that? That's nice.
Wyatt: I'm surprised to hear you ask, in the future you're always telling me that.
Paige: Ha, well that's the future me, I'm me now who clearly doesn't have those kind of brilliant thoughts.

Wyatt: Dad! Hey look at you, you haven't changed a bit. Maybe a little less grey and a few pounds lighter.
Leo: What!?

Adult Wyatt (about baby Chris): Hey, is this Chris? Oh, my gosh! He's so small. Hey, little
brother. Is this before or after he swallowed that marble?
Piper: Marble? What marble?!