And yeah, it was legend -- wait for it! -- dairy.
The "How I Met Your Mother" and "Doogie Howser" star celebrated his son Gideon's birthday at Medieval Times with husband David Burtka and Gideon's twin sister Harper.
"What an exciting evening, far better (and more delicious) than I was expecting," he wrote on an Instagram post.
"Can’t wait to go back!"
He thanked the venue for treating his family like royalty while celebrating the twins' ninth birthday.
Check out NPH's Instagram to see snaps from the night (watch his story).
Click here to follow Daily Voice Jersey City and receive free news updates.