Spoilers ahead, two paragraphs down. Nothing specific, but be warned.
Every episode of Fear the Walking Dead seems to have one moment where they tried to write something cool without having any grasp on the way things work in reality.
There was a scene tonight where they were fighting off zeds in heavy fog at night. They had been hiding inside a lighthouse. They turned on the lighthouse light in order to see what they were doing… at the base of the lighthouse… because none of the writers have ever seen how a lighthouse works.