I’m trying to remember the name of a cheesy circa 1983-1992 monster or alien movie that I first saw on video tape.

I remember very little from the movie save that one of the characters–she may have been the female lead–was either a young babysitter or the big sister and was taking care of some bratty kids in the house.  I remember she had a bit of a brassy attitude, too. Possibly had shoulder length reddish hair.

The only scene I recall is when she goes to the bathroom upstairs in the house–I assume to take a shower or bath because she strips down to her white nylon panties–and I believe the monster or alien attacks or is about to attack then. I seem to recall they are like slime or slugs that come up through the pipes, but I am not sure. Later, I am pretty sure she is joined by her boyfriend or classmate to help survive against the monsters.

Sorry this is so sketchy! It’s all I can remember.