Les Miserables, but it wouldn’t work.
You would need enough female Muppets for, at minimum:
Cosette, Fantine, Madame Thenardier, and Eponine. You could get away with casting the entire convent with penguins, I guess.
But you run out of female Muppets surprisingly quickly. It’s Miss Piggy, Janice, Camilla, and that’s more or less it. Camilla can only make chicken noises, and even then, Fantine and Cosette need to be cast as believably related to each other, as do Madame Thenardier and Eponine.
Then there’s the problem of Gavroche. The most likely casting would be Robin. You gonna kill Robin?
And the natural choice for Javert is Sam the Eagle, who would never play a Frenchman.
There were other pigs who played Miss piggy’s daughters* in the Muppet Christmas carol. Edit,: I originally called her daughter’s her sisters.
Swedish Chef as the innkeeper…
Mester ouff zee-a huouse-a,
duleeng ouout zee-a cherm
Reedy vit a huondsheke-a und un oupee-a pelm
Tells a suocy tele-a,
mekes a leettle-a stur
Cuostumers ippreceete-a a bun-fifeuor
Gled tu du a friend a fefur
Duesn’t cust me-a tu be-a nice-a
Buot nuzeeng gets yuou nuzeeng
Iferyzeeng hes gut a leettle-a price-a!
Mester ouff zee-a huouse-a,
keeper ouff zee-a zuo
Reedy tu releefe-a ‘im ouff a suou our tvu Vetering zee-a vine-a, mekeeng up zee-a veeght
Pickeen’ up zeeur knick-knecks vhee-a zeey cuon’t see-a streeght
Iferybudy lufes a luondlurd
Iferybudy’s busum friend
I du vhetefer pleeses
Jesuos! Vun’t I bleed 'im in zee-a ind!
Bork Bork Bork!
