A video was uploaded to YouTube back in 2016 called “Help Wanted screenbug 3 Oval With an incomplete bumper”. The end of the video has an incomplete bumper, which gets cutoff. It is most likely lost considering I don’t think a full version is online.
Video: [1]
https://www.youtube.com/watch?v=jtlH3iaY0yo&t=0s
I uploaded the incomplete ending bumper to YouTube. SpongeBob says, “Fear not air breathers, after a-“ then gets cutoff. The recording is from August 1999 during the first episode of SpongeBob. The channel hasn’t uploaded in 2 years, so most likely no contact. Even if they did still upload they probably wouldn’t know about this bumper.
Here is a video with the same snippet of the bumper taken from the 2016 video: https://m.youtube.com/watch?v=AyCOSmWEYuE
If anybody has any information, please comment.