A bump on the head sends Hank Martin, 1905 auto mechanic, to Arthurian England, 528 A.D., where he is befriended by Sir Sagramore le Desirous and gains power by judicious use of technology. He and Alisande, the King's niece, fall in love at first sight, which draws unwelcome attention from her fiancée Sir Lancelot; but worse trouble befalls when Hank meddles in the kingdom's politics.

Daredevil sailor Sinbad embarks on a voyage across the Seven Seas to find the lost riches of Alexander the Great. His first stop is the port of Basra, where his ship is seized and scheduled for auction. In his attempt to win it back, he befriends beautiful concubine Shireen. But when her master, the nefarious Emir, calls her back to duty, Sinbad must interrupt his adventure to save the "Jewel of P...

An assistant prosecutor and his spunky friend investigate a suddenly hot case.

Polly Parrish, a clerk at Merlin's Department Store, is mistakenly presumed to be the mother of a foundling. Outraged at Polly's unmotherly conduct, David Merlin becomes determined to keep the single woman and "her" baby together.

Merchant Marine sailors Joe Rossi (Humphrey Bogart) and Steve Jarvis (Raymond Massey) are charged with getting a supply vessel to Russian allies as part of a sea convoy. When the group of ships comes under attack from a German U-boat, Rossi and Jarvis navigate through dangerous waters to evade Nazi naval forces. Though their mission across the Atlantic is extremely treacherous, they are motivated ...

During the war for Texas independence, one man leaves the Alamo before the end (chosen by lot to help others' families) but is too late to accomplish his mission, and is branded a coward. Since he cannot now expose a gang of turncoats, he infiltrates them instead. Can he save a wagon train of refugees from Wade's Guerillas?

Polly Parrish, a clerk at Merlin's Department Store, is mistakenly presumed to be the mother of a foundling. Outraged at Polly's unmotherly conduct, David Merlin becomes determined to keep the single woman and "her" baby together.

Merchant Marine sailors Joe Rossi (Humphrey Bogart) and Steve Jarvis (Raymond Massey) are charged with getting a supply vessel to Russian allies as part of a sea convoy. When the group of ships comes under attack from a German U-boat, Rossi and Jarvis navigate through dangerous waters to evade Nazi naval forces. Though their mission across the Atlantic is extremely treacherous, they are motivated ...

During the war for Texas independence, one man leaves the Alamo before the end (chosen by lot to help others' families) but is too late to accomplish his mission, and is branded a coward. Since he cannot now expose a gang of turncoats, he infiltrates them instead. Can he save a wagon train of refugees from Wade's Guerillas?

A boisterous sea captain in the Pacific Coast, circa 1850, has a plan to buy Alaska from the Russians… if they don’t kill him first.

A bump on the head sends Hank Martin, 1905 auto mechanic, to Arthurian England, 528 A.D., where he is befriended by Sir Sagramore le Desirous and gains power by judicious use of technology. He and Alisande, the King's niece, fall in love at first sight, which draws unwelcome attention from her fiancée Sir Lancelot; but worse trouble befalls when Hank meddles in the kingdom's politics.

Columbia's 33rd serial (made between "Jack Armstrong" and "The Sea Hound") was based on the character that first appeared in "Action Comics" No. 42.