Why wont my scripts wait? There doesnt seem to be anything wrong

OK so. the problem here is that I tell my scripts to wait a bit and then do something but they do nothing and stay as what I set them to in their properties for the guis and the scripts just don't listen here is all the script code

one of the scripts

wait(7)
local cscript = script:WaitForChild("CutsceneScript")
if script:findFirstChild("SkipCutsceneGuiValue") then
    script.SkipCutsceneGuiValue.Parent = cscript
    script.SkipCutsceneGui.Parent = cscript
end

function onPlayerEntered(player)
    repeat wait () until player.Character
    local new_script = script.CutsceneScript:clone()
    new_script.Parent = player.Character
    new_script.Disabled = false
end

game.Players.PlayerAdded:connect(onPlayerEntered)
onPlayerEntered(game.Players:WaitForChild("Player1")) -- Has to be done since it doesn't work offline for some reason.

another one

wait(9)
script.Hit:Play()
script.OuchSound:Play()
wait(2)
script.DeathSound:Play()
wait(11.6)

still more

wait(18.8)
script.parent.visible = true
wait(10)
script.parent.visible = false

again

wait(7)
script.parent.visible = false

same code i used for two scripts

wait(7)
script.parent.visible = false