While watching a recent science fiction movie, one Klingon spaceship blows up a Droid spaceship with a laser gun. The Klingon crew watches out the port window and covers their ears to muffle the noise from the explosion. Scientifically, this scene is inaccurate because

Alight can not reflect off objects in the vacuum of space.

Eliminate

Bthey would not be able to see anything outside the window.

Clasers can not be transmitted through the vacuum of space.

Dthe sound of the explosion would not be transmitted back to their ship.