Jumanji - Season 1 - Eps 5: Master Builder
When Peter brings a computer with him into the game to help figure out how to rescue Alan, it falls into the hands of a mad inventor who uses it to gain control over the inner workings of Jumanji.
About Jumanji

Title: Jumanji
First Air Date: 1996-09-08
Last Air Date: 1998-12-10
Status: Ended
Rating: 7.034/10 (from 87 votes)
Language: EN
Seasons: 3
Total Episodes: 40
Network: Syndication UPN Syfy
Genres: Animation, Kids
Production Companies: Adelaide Productions, Columbia TriStar Television, Interscope Communications
Synopsis
Judy and Peter Shepherd are two kids that found a board game called "Jumanji". With each turn, the two of them are given a "game clue" and then sucked into a dangerous jungle until they solve their clue. There they meet Alan Parrish, who was trapped in the Jumanji jungle because he had never seen his clue.
Cast

Ashley Johnson
Peter Shepherd (voice)

William Sanderson
Professor J.S. Ibsen (voice)

Pamela Adlon
Rock (voice)

Debi Derryberry
Judy Shepherd (voice)

Sherman Howard
Van Pelt (voice)

Melanie Chartoff
Aunt Nora Shepherd (voice)

Bill Fagerbakke
Alan Parrish (voice)

Billy West
(voice)

Tim Curry
Trader Slick (voice)

Danny Mann
Umpire (voice)