I would greatly appreciate it if anyone could help me identify what this scene is from. I really only remember one big scene from this when I was a kid. This would have been from around 1985 or so, but the movie/show was older than that. It was black-and-white and I'm guessing from the 50s or 60s.
The one scene I remember was of at least one scientist in a lab coat in front of a glass wall containing a small black blob-like creature about the size and shape of a large hand. A rectangular panel opens in the glass wall and the creature falls onto the panel and then I remember it jumping on the scientist's face. Very reminiscent of the face-hugger scene from Alien. Unfortunately that's all I really remember. I'm assuming it was a science fiction film or some sort, but it's possible it could have been an episode from a tv show.