Freddi Fish 2: The Case of the Haunted Schoolhouse (Humongous Entertainment) (1996) [HD] 

When Freddi and Luther are at school one morning, a ghost appears and tries to steal Luther's Codfish Commando action figure. Following the ghost to the basement of the school, they discover that the ghost is just someone wearing a ghost costume. They then plan a trap to catch the ghost, but they are missing some objects needed for the trap.
Released : Windows/Mac: March 29, 1996, rerelease in December 10, 1999, September 10, 2002, and February 19, 2011. PC Download: February 20, 2005 iOS/Google Play: April-December 2013