Editions by mr3urious
1st Logo
(2004-2008)
Logo: On a black background, we see lights flashing. Then, a purple oval zooms up, which reads:

Muppet--
---------------------------------------------Studiosstudios
The music then stops and the logo shines.
FXFX/SFX: The lights, the logo shining.
Music/Sounds: The Muppet Show theme song followed by a "shining" sound.
Availability: Seen on seasons 1 and 2 of The Muppet Show DVD sets.
Scare Factor: None to low.
2nd Logo
(2008- )
Logo: On a white background, we see several Muppets from The Muppet Show that appear to be "bursting" out of the background, with Kermit in front. The words:
The---------------------
Muppets
-----------------------Studio
are shown below in a typewriter font.
FXFX/SFX: I believe it's a still logo.
Music/Sounds: The end theme of the show, I guess.
Availability: Brand new; seen on the special Studio DC: Almost Live on Disney Channel and Letters to Santa: A Muppets Christmas on NBC.
Scare Factor: None.