• Genre:adventure

• First Line of Dialogue or Text:A strange contest takes place at the bottom of the sea--as the Sea Devils perform feats which would win them...
• Keywords:frogmen; swordfish; whale

• Biff Bailey
• Dane Dorrance
• Judy Walton
• Nicky Walton

Synopsis:

The Sea Devils compete with each other to win the flippers that belong to Dane's father. Everyone knows how badly Nicky wants them, so they each sabotage their own efforts in the competition, but it turns out that Nicky really does win the contest when he saves everyone's life when a whale smashes their boat.

Reprints (3)

• in All Favourites Comic (K. G. Murray, 1960 series) #22 ([December 1960])
• in Big Boss (Arédit-Artima, 1960 series) #61 (1961) [N&B [B&W]]
• in Showcase Presents: Sea Devils (DC, 2012 series) #1 ([July] 2012)

• Genre:non-fiction

• First Line of Dialogue or Text:As a present-day frogman dives beneath the surface of the sea...
• Keywords:underwater

Synopsis:

Scyllis, a Greek diver in the fifth century B.C., performs great underwater feats.

Reprints (3)

• in Action Comics (DC, 1938 series) #437 (July 1974)
• in Supermann (Illustrerte Klassikere / Williams Forlag, 1969 series) #10/1976 ([august] 1976)
• in Aquaman Album (K. G. Murray, 1978 series) #3 ([June 1979] ?)

• Genre:non-fiction; advocacy

• First Line of Dialogue or Text:Can you pass this bike safety test?

Quiz based on the rules of the Bicycle Institute of America.
Published in cooperation with the National Social Welfare Assembly.

• Genre:adventure

• First Line of Dialogue or Text:How long can a man plunge to the bottom of the sea, and not be found, before he is presumed lost forever!
• Keywords:frogmen; pig latin; sea turtles

• Biff Bailey
• Dane Dorrance
• Judy Walton
• Nicky Walton

Synopsis:

The Sea Devils agree to help Mona Moray locate her missing father. They find that the professor has been taken captive by a race of undersea aliens who are planning a larger invasion of Earth.

Reprints (1)

• in Showcase Presents: Sea Devils (DC, 2012 series) #1 ([July] 2012)

First appearance of the Sea Devils' dockside office and sign: "The Sea Devils / Underwater Troubleshooters / Have Flippers - Will Travel!"

• First Line of Dialogue or Text:Hi, fans of the Sea Devils!

Synopsis:

First letters column, with questions about diving from readers and answers from the Sea Devils (as opposed to comments about the comic stories). Includes questions on choosing diving equipment and lessons. The editors asks readers to write to Sea Devils, National Comics Pub, 575 Lexington Ave, New York 22, NY. The logo is a diver giving a lecture to a "school" of mer-people.

Letters from: Walt Framer (from No. Hollywood, California), Stan Wood (from Atlantic City, New Jersey), George Kastner (from New York City, New York), and Dan Stinson (from Detroit, MIchigan).
On the page immediately preceding page 9 of the previous story sequence.