Lightkeeper Productions

Background
This is David W. Duclon's vanity card.

1st Logo (September 16, 1984-December 7, 1987)
Logo: Against a piece of land in which a white lighthouse is standing and some  water below it with a wave, a starlight shines in the black sky, and from it appears aligned to the left are the words:

PRODUCED BY LIGHTKEEPER PRODUCTIONS

IN ASSOCIATION WITH

The starlight continues to spin in the sky.

Technique: Scanimate animation.

Music/Sounds: Just the sound of a foghorn.

Availability: Seen on Punky Brewster on DVD and Peacock.

2nd Logo (December 4, 1987-May 27, 1988)
Logo: A video of a lighthouse on a reef is twirling its light, with the sunset behind it. On the bottom left hand corner of the screen, the text wipes in, aligned to the left:

A LIGHTKEEPER PRODUCTION in association with

Technique: Computer animation combined with live-action.

Music/Sounds: Same as the previous logo or the closing theme of the show.

Availability: Rare. It's seen on seasons 3 and 4 of Punky Brewster on DVD and Peacock. Also seen on the short-lived sitcom Second Chance.

3rd Logo (September 13, 1994-October 15, 1997)
Logo: We see a more realistic lighthouse scenery with a yellow light shining through. The company name is superimposed over it.

Technique: None.

Music/Sounds: The closing theme of the show or the generic NBC theme.

Availability: Ultra rare. Seen only on the short-lived sitcoms On Our Own and Built to Last.