0:00 - 0:02 sounds like the WHYY-TV 12 Analogue sign off from Wilmington as well as Philadelphia in Pennsylvania in Delaware. And WDPB-TV Seaford Delaware.
When Nick introduced these logos the soundbites that were later used was not heard until July 2001 so what happened was they either used the music from the promo playing during the split screen credits or this noise or a car engine revving with a xylophone
This was before Viacom purchased Paramount so all Nickelodeon/Nick Jr. VHSs were released through Sony Wonder and they would put the year(s) in which the episode(s) were made in
LIONSGATE UNIVERSAL TELEVISION KLASKY CSUPO NICKELDEON PRODUCTIONS PARAMOUNT TELEVISION FREMANTLEMEDIA NORTH AMERICA MTV NETWORKS VIACOM PRODUCTIONS AMBILIN TELEVISION SONY PICTURES TELEVISION STUDIOS