Added some more to the list.
The Muppets Valentine Show
Favorite: We Got Love
Least Favorite: Endearing Young Charms
Christmas Eve on Sesame Street
Favorite: Gah! Can't choose!
The Muppets Go Hollywood
Can't say I like or dislike any of the songs. Though I did enjoy Paul Williams singing "Rainbow Connection"
The Muppet MovieFavorite: "I'm Going to Go Back There Someday"
Least Favorite: "Never Before, Never Again" (but I still like it)
A Christmas Together
Favorite: The Peace of Christmas Day and The Christmas Wish... and mostly everything else. Sorry, I love music.
Least Favorite: Is that possible with this special?
The Muppets Go to the Movies
Favorite: Act Naturally, We'll Meet Again, Ragtime Cowboy Joe
Least Favorite: None
The Fantastic Miss Piggy Show
Favorite: Snackercise
Least Favorite: Sorry, it's been awhile since I've seen this one
Rocky Mountain Holiday
Favorite: Hey Old Pal
Least Favorite: None
Muppets Take Manhattan
Favorite: Love 'em all
Follow that Bird
Favorite: All of them.
A Muppet Family Christmas
Favorite: The Carol Medley
Least Favorite: That's a toughie.
The Muppets at Walt Disney World
Favorite: I'm Doggin' It, and More! More! More!
Least Favorite: Again, hard to decide.
Muppet Classic Theater
Favorite: Who Do You Think You're Fooling? and the song sung by the Elvises
Least Favorite: The rest of them.
A Muppet Christmas Carol
Favorite: All of them
Muppet Treasure Island
Favorite: Ditto
Muppets from Space
Favorite: Eh.... "Jalapeños"? And I sort of like the new "Back There Someday", even though it was only included on the soundtrack. And I guess Pepe's song with George Clinton was funny.
Least Favorite: Eh....
The Adventures of Elmo in Grouchland
Favorite: It's been so long since I've seen this one. What was that song that the plant sings to Elmo to get him moving?
Least Favorite: Drawing a blank on the movie in general.
It's a Very Merry Muppet Christmas Movie
Favorite: Everyone Matters
Least Favorite: Were there any other songs in this one? Oh yeah, the Moulin Rouge medley. That was okay, I guess.
Kermit's Swamp Years
Favorite: I'm not going to lie, I actually enjoy all of the songs here. So sue me.
Least Favorite: We've been over this. Don't you remember?
The Muppets' Wizard of Oz
Favorite: Didn't have one. Okay, "When I'm with You" was decent.
Least Favorite: What's left? It's been so long...
The Muppets
Favorite: Life's a Happy Song, Pictures in My Head, Me and Julio Down by the Schoolyard (Yeah, it's not a Muppet song, but it was in the movie)
Least Favorite: Didn't have one. Yeah, as random as "Me Party" is, I do find it sort of catchy. And Richman's rap is kind of funny.
The Muppets... Again!
Favorite: "Life's Still a Happy Song", "Images in My Skull", and "Josh and Me at the Playground"
Least Favorite: Okay, that song that Miss Poogy and the 80's Robot sing, I wanted to like it but it was just so... random!
Okay, I obviously wasn't serious about that last one.