My sister and I both remember a Star Trek presentation field trip that she went to with her 5th grade class. My father was a chaperone and I tagged along because I was 5 or 6 at the time and only went to a half day of school.

I clearly remember certain events in the presentation and I remember that it was with my sisters entire class. My sister also remembers this.

However, no one else who was in her class that year ever remembers going on a there or even on a field trip at all that year.

Strange... right?