In 1927 Hollywood, a silent film star falls for a chorus girl just as he and his paranoid screen partner struggle to make the difficult transition to talking pictures.

British railway workers in Kenya are becoming the favorite snack of two man-eating lions. Head engineer Bob Hayward becomes obsessed with trying to kill the beasts before they maul everyone on his crew.

A Scotsman abruptly breaks off his engagement to pretty Kitty and moves to his uncle's castle in the Scottish highlands. Kitty and her aunt follow Gerald a few weeks later, and discover he has suddenly aged. Some mysterious things happen in a maze made from the hedges adjoining the castle.

In 19th century France, Jean Valjean, a man imprisoned for stealing bread, must flee a relentless policeman named Javert. The pursuit consumes both men's lives, and soon Valjean finds himself in the midst of the student revolutions in France.

The Bowery Boys take on British crooks when one of them thinks he's inherited a title.

A party of archaeologists discovers the remnants of a five millennia-old mutant Sumerian civilization living beneath a glacier atop a mountain in Mesopatamia.

When a wealthy newspaper proprietor passes away, his crooked business partner moves to secure the deceased's fortune by substituting a false will. But 'Corona' Flanagan is onto the fraudster, and his efforts to unmask the villain see him popping in and out of jail – which isn't all that bad, since the governor is an old friend of his – and dressing up as a Russian countess...

After being unjustly accused of spying, a British officer tries to redeem himself in India.

Writer Harry Street reflects on his life as he lies dying from an infection while on safari in the shadow of Mount Kilimanjaro.

The Office of Scientific Investigations tracks down the source of increased magnetism and radioactivity in Los Angeles, and discovers that a man-made isotope is consuming available energy from nearby mass every few hours, doubling its size in the process. Although microscopic, it will soon become big enough to destroy Earth; and how to stop it is yet to be determined. The film's Deltatron special effects footage is taken from the 1934 German sci-fi film GOLD.