my current favourite memory is the stardust wonder as the rainbow breaks through the ceiling of the studio in the final scene of the film and the muppets stare awstruck, and my daughter - even after 20 something viewings - smiles in anticipation singing "here comes the rainbow" and taps her little feet in time with the final lines...
"Life's like a movie,
Write your own ending.
Keep believing, keep pretending,
We've done just what we set out to do.
Thanks to the lovers,
the dreamers
and YOU"