Captain Fathom was an animated television series produced in 1965 by Cambria Studios. Like Cambria's other productions, Clutch Cargo and Space Angel, it was produced in Synchro-Vox. Eighteen 30-minute episodes, all in color, were filmed. The episodes could be broken down into five 6-minute segments in cliffhanger format. Renowned comic book artist Alex Toth was the director.

This animated series was broadcast in Italy in syndication in the early 80's under 2 different titles: Avventure negli abissi and Captain Fathom.