Invisible Agent is a thrilling World War II spy film where a secret agent becomes invisible to thwart the plans of the Nazis. With his newfound power, he engages in espionage, betrayal, and a race against time to save the world.

A scientist creates a formula that can make a person invisible. He tests it on a young woman and she becomes invisible. They embark on a series of comedic and romantic adventures, dealing with kidnappings, revenge, and hilarious misunderstandings.

A man named Robert Griffin seeks revenge after he is rendered invisible by a mad scientist. Using his newfound power, he sets out to wreak havoc on those who wronged him. As he goes on a murderous rampage, a newspaper reporter tries to uncover the truth behind Griffin's invisibility and stop him before more lives are lost.

The Invisible Man Returns (1940) follows a man who becomes invisible after receiving a blood transfusion from his late brother. He is accused of the murder of his brother and must go on the run to prove his innocence. With the help of his fiancée and a detective from Scotland Yard, he must race against time to find the real killer before he is executed.

A scientist named Jack Griffin discovers a way to make himself invisible using a new drug. However, the drug has a side effect that causes him to become insane and homicidal. As he goes on a killing spree, the police, led by a detective named Kemp, try to track him down and stop his reign of terror. Griffin's mad pursuit of power and his attempts to find a cure for his condition lead to chaos and destruction.