In Terraria when I thought the eye of chithulu was a minion, so I summoned it in a tiny cave with nothing but a bucket on my head and a godly trident.
It came zooming in, I was so happy because it was so huge, and then it started attacking me...
Portal 2: When, trying to evade spoilers, I got tossed into a pit with nothing but a potato. And when I went to space.