]On the crest of a rock outcropping, the group of humans came upon a collection of monstrous ape scarecrows or effigies posed on poles - to scare and prevent anyone from crossing further.A gunfight broke out between Crocket""s and O""Flynn""s groups as "dead-heads"" (zombies) ambled toward them.As the two then ran through the woods back to Pinehurst, Pam came across the corpse of Matt whose forehead was nailed to a tree with a railroad tie/spike(# 19 death)(off-screen).Carol was very dependent upon her sister, but was continually uneasy and disapproving of Helen""s promiscuous relationship with Michael, including the intrusive evidence of his male presence into her perceived personal space: his toothbrush and straight-edged razor had been left in a glass on the bathroom shelf above the sink.Sulu, take us home"; as the probe reached closer to orbiting Earth, it disrupted weather patterns (causing extensive cloud cover that blocked the Sun), ionized the atmosphere, and vaporized the oceans; on their return in the Klingon vessel, theEnterpriseofficers heard Starfleet""s Red Alert distress warning about the probe "causing critical damage" - "Avoid the planet Earth at all costs"; Spock determined that the probe wasn""t intentionally hostile, but was unaware of its destructive force; he surmised that the probe""s alien signal was actually a transmission of communication matching the songs of long-extinct humpback whales (hence, there was no reply in the 23rd century).