Is Secret Beneath the Sea coming back?

Secret Beneath the Sea ended on March 23, 1963, on ITV1. The show concluded its single season with its final episode airing on that date.

Secret Beneath the Sea was a children's action and adventure series that premiered in 1963. It was a sequel to City Beneath the Sea and followed scientists Mark Bennerman and Peter Blake as they explored the lost underwater city of Aegira in search of rare metals essential for future space research. The series featured elements of danger and action as the characters faced various challenges beneath the sea.

The cast included Gerald Flood as Mark Bennerman and Stewart Guidotti as Peter Blake.