September 15, 1988 and May 5, 1990-October 27, 1995
Bill Nye the Science Guy (1993)
Bill Nye the Science Guy (1994)
A frame from the long version of the logo, which has the BVT name zoom into view from the bottom into its position (a la Telepictures "Rollercoaster"), and the castle zooms out into view.
A better version of this logo is needed, due to the picture quality, inaccuracies or other issues with the uploaded logo. You can help Logopedia by uploading it here. The reason is listed here: poor quality