Logo descriptions by Eric S. and Logoboy95
Logo captures by Eric S. and V of Doom
Editions by Logoboy95, Shadeed A. Kelly, Eric S., mr3urious and V of Doom
Video capturescapture courtesy of Eric S. and monarchofvideos
Background: This was the international arm of the NBC Television Network.
1st Logo
(1979-1986)
Nicknames: "The Proud N-Peacock", "The Proud N", "Neon Proud Peacock"
Logo: On a black background, several colorful neon lines drawn onto the screen. The neon lines zoom out and flash, revealing a CGI view of the NBC peacock, behind a blue stylized "N". The words "NBC International Ltd. Presents", in a blue 3D font, appear underneath the logo. The peacock then shines.
FX/SFX: The lines drawing, the peacock forming. All Scanimate effects.
Music/Sounds: Same as NBC's logo from the 50's.
Availability: Rare; seen on international prints of some co-produced shows, such as Punky Brewster and the short-lived cartoon Kissyfur, among other series. The logo is preserved only on the Season 1 DVD of Punky Brewster, as far as I know.
Scare Factor: Low, unless you are scared of NBC chimes.
2nd Logo
(1986-1996)
Nicknames: "90s Peacock", "The 1986 Peacock", "The Remake of the Peacock", "The Restored Peacock", "Come Home"
Logo: Against a black background, a red CGI mound appears. As it rises, more rainbow colors are revealed. Then from the top of the screen, the head/neck of the NBC Peacock swings in and the moundspreads to become his feathers. This Peacock is the current version, and it backs away with a color trail around it. Below, the word:

NBC
flies in and the words:
I N T E R N A T I O N A L, L T D.
P R E S E N T S
fade in. When the word "NBC" backs into it's place, it takes on a more "solid" color.
FX/SFX: Same as the 1986 NBC Productions logo, but slow.
Music/Sounds: Same as NBC's logo from the 50's.
Availability: Very rare. Last seen on the Starmaker print of Rage of Angels: The Story Continues.
Scare Factor: Low, unless you are scared of NBC chimes.