Millions tuned in Thursday night to watch the amazing spectacle that was "Peter Pan Live!" on NBC, and some of those fans included celebrities who just couldn't resist shouting out their thoughts on Twitter. Here are some of our favorites!
Katy Perry made sure to send warm thoughts toward star Allison Williams (Peter Pan).
And Neil Patrick Harris also wished everyone well:
As did new dad and "Tonight Show" host Jimmy Fallon:
But Judge Reinhold won our hearts early on by comparing his massive pirate hat from 1982's "Fast Times at Ridgemont High" with Hook's headgear.
But Mia Farrow wondered about those rather adult-looking pals of Peter's:
And later delighted everyone with a memory of her own portrayal of Peter Pan from 1976:
Mario Lopez had casting suggestions for the future, based on Peter being played by a woman:
Some fans, like Ana Gasteyer, were livin' for all the tweet fun:
While Zach Braff seemed to be confused as to which member of the Williams family was actually appearing in the production:
And Aubrey Plaza chimed in with serious support for yet another cast member: Christopher Walken, who played Captain Hook!
TODAY's Carson Daly made the event a learning experience:
Josh Groban hoped both live musicals and the live-Tweet experience will continue ever more:
Sarah Michelle Gellar had a particular bit of advice for Wendy:
And by the end of the evening was looking forward to the next spectacle, with casting advice:
But one of the night's sweetest tweets came from Carrie Underwood, who knows what it's like to go big and go live — she appeared in 2013's "Sound of Music Live!" on NBC as Maria.