The Long Slide/Men with Gills
- Episode aired May 26, 1965
The problem with rubber surfaces aquaplaning on water and a new membrane developed in the US which may enable man to live under water.The problem with rubber surfaces aquaplaning on water and a new membrane developed in the US which may enable man to live under water.The problem with rubber surfaces aquaplaning on water and a new membrane developed in the US which may enable man to live under water.