As a German they are all technically correct, but one of them isn't a proper translation.
I believe I spider.
"Ich glaube ich spinne." isn't in regards to spiders, the last word is a verb. "spinnen" means "to spin", originally coming from spinning yarn, which then became spinning a thought :)
At least with my LG TV you can switch that off. It's in general settings "Standby light" :)