The Long Slide/Men with Gills
- Episode aired May 26, 1965
![Horizon (1964)](https://m.media-amazon.com/images/M/MV5BYzEwYmJiZDgtYTliMi00ZDA2LWEwNzEtYmZjMDZlYjFmMWVkXkEyXkFqcGdeQXVyMTA4NzY0NTU@._V1_QL75_UY281_CR1,0,190,281_.jpg)
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.