Published in TV21 (New Series), #54 - #57, October 3 - October 24, 1970 - 4 issues of 2 pages each.A former S.N.O.R.K.E.L. scientist had developed "atom-powered motor cells" which, when injected into a human, would allow the subject to work using only scuba equipment at a depth below 400 feet. Then the man disappeared. Johnnie Webb is so injected to go look for the man who was certain he could find the lost continent of Atlantis.