For He's a Jolly Good Fellow

Linda Lavin and the Muppets sing "For He's a Jolly Good Fellow" to Kermit in honor of his birthday at the end of episode 406 of The Muppet Show. After the song Kermit admits that his birthday isn't for four months.

Rowlf and the Muppets sing "For She's a Jolly Good Porker" during the UK Spot in episode 502 of The Muppet Show when they realize that Miss Piggy will take Foo Foo with her when she leaves.