Archie's Weird Mysteries - Season 1 - Eps 6: The Haunting of Riverdale
Something is haunting Riverdale, and it seems to be related to the public library. After a bit of research, it is discovered that the ghost belongs to the former librarian, who was very devoted during life to the good of the library. It seems that she is still there because she has some unfinished business...and Jughead holds the key that will let her move on.
About Archie's Weird Mysteries

Title: Archie's Weird Mysteries
First Air Date: 1999-10-02
Last Air Date: 2000-02-21
Status: Ended
Rating: 6.1/10 (from 16 votes)
Language: EN
Seasons: 1
Total Episodes: 40
Network: Pax TV M6
Genres: Animation, Comedy, Family, Mystery, Sci-Fi & Fantasy, Kids
Production Companies: DiC Entertainment, Les Studios Tex SARL, M6, Riverdale Productions
Synopsis
Things are getting weird in Riverdale, home of all-American boy and high school newspaper reporter, Archie Andrews. Ever since an experiment in the high school physics lab went awry, Riverdale has become a magnet for the stuff of which “B-Movies” are made.
Cast

Andrew Rannells
Archie Andrews (voice)

America Young
Betty Cooper (voice)

Camille Schmidt
Veronica Lodge (voice)

Chris Lundquist
Jughead Jones (voice)

Paul Sosso
Reggie Mantle (voice)

Ben Beck
Dilton Doiley (voice)