In this iconic scene from The Original Series of Star Trek (the visible version) we see the giant green space hand attacking the starship Enterprise:

(,
Mon 11 Apr 2022, 18:01,
archived)

Here we see the iconic scene from the iconic Star Trek, Star Trek 4: The Voyage Home, in which Kirk and Spock walk in front of some bridge in San Francisco:

Some of Kirk's hair appears to be visible - this is intentional as this part of Kirk's hair is in fact a wig, so naturally is not invisible.
(,
Mon 11 Apr 2022, 19:36,
archived)

Some of Kirk's hair appears to be visible - this is intentional as this part of Kirk's hair is in fact a wig, so naturally is not invisible.