Twenty years after the US Air Force first started investigating UFOs, a selection of scientists and eyewitnesses are interviewed by ITV's World in Action team.
| Release Date | October 20, 1967 | |
|---|---|---|
| Status | Released | |
| Original Title | We Know What We Saw | |
| Runtime | 26min | |
| Budget | — | |
| Revenue | — | |
| Language | — | |
| Original Language | English | |
| Production Countries | United Kingdom | |
| Production Companies | Granada Television | |