The Green Hornet Strikes Again! is a Universal movie serial based on The Green Hornet radio series by George W. Trendle and Fran Striker. It is a sequel to the 1940 serial The Green Hornet. This was Universal's 117th serial of the 137 the studio produced. The plot involves racketeering and is unusual for a film serial in having mostly stand alone episodes instead of a continuous story.
A powerful crime boss texts all the crews, gangs, and other city underlings in town to retrieve his missing fortune in diamonds. One challenge that gets left out of the text - the gems are in a haunted hospital guarded by the dead.
Charles Dreyfus, who has finally cracked over inspector Clouseau's antics, escapes from a mental institution and launches an elaborate plan to get rid of Clouseau once and for all.
Barricade the doors. Lock the windows. Because he's baaaack. That one-boy wrecking crew, Dennis the Menace, returns for more mischief and mayhem. Based on the comic strip and TV show about a mischievous little boy with a gift for the potentially lethal prank.