Pratt spoke with ET's Matt Cohen on Saturday following the panel discussion for Guardians of the Galaxy Vol.
"Well, all great things come to an end, and I think we built a really extraordinary family over the past 10 years," Pratt shared
I know that term gets hackneyed, but it's true, man. We've been through a ton, and it just feels good [to be here together].
"And it's really cool to do something and then sit back and see if for the first time and go, 'Oh my God, that looks amazing! I can't believe we did that!
"That journey is over, and to me that's really the extraordinary part of it.