Old-fashioned dastardly danger is threatening the, now abandoned, Muppet studios as a maniacally laughing oil tycoon (Chris Cooper) looks set to plunder the ground beneath, laying waste to the heritage of this forgotten site. The only kink in the plan is that life long Muppet devotee Walter, a puppet, and his brother Gary (Jason Segel) overhear this during a studio tour and set their own plan in motion to get the old gang back together to raise the money needed to save the studio.
Cue the rallying of the Muppet troupe, from a reclusive Kermit, to down-and-out Fozzy Bear, by way of Paris for Miss Piggy. Segel's script, co-written with Nicholas Stoller, fully embraces the meta-movie referencing fun of The Muppet Show and movies and rides delightfully from road movie to the the big show, by way of a dozen celebrity cameos. Not so much sensational inspirational celebrational Muppetational, but a hoot none the less.