R3 is a British television series produced by the BBC between 1964 and 1965. Full title was Ministry of Research Centre No.3. It was a 50-minute show, and the series starred John Robinson as Sir Michael Gerrard, Jeremy Young as Wilson, David Blake Kelly as Captain Rogers, and was set in a scientific research facility at the Ministry of Research. R3 is also notable for providing early TV exposure for a young Oliver Reed, cast as one of the scientists on the ministry staff, Dr. Richard Franklin.

In "Experiment in Death", written by N J Crisp, Undersea exploration becomes an experiment in survival in a bathysphere. That show starred Edward Judd as Peters, Brigit Forsyth as a secretary, Donald Hoath as Turner and Stephen John as a meteorologist. It was produced by John Robins and directed by Paul Bernard.