When I was in college, my then girlfriend texted me that she was watching Jojo Rabbit. She knew it was one of my favorite movies, and said that she loved it too. She was talking about how Scarlett Johannson's shoes almost have their own personality. So I said,
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yeah, it's devastating when you notice her shoes on the hanging body.
Turns out she had paused the movie to make some dinner, and hadn't seen this part yet. Needless to say, she was PISSED!
The Walking Dead. Twice.
First time was when a coworker was telling me how good second season was and I should give it another shot. I ended up binging it then later talked to him about how shocking it was when it was revealed
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you'd turn no matter how you die.
Turns out he hadn't finished the season yet.
Second time was the third season when
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Merle died. I was rewatching it with someone and when Merle was acting all heroic before his rogue suicide mission, I commented that it's such a trope when a hated character do something uncharacteristically selfless before they die so they could make us feel something for them in the last minute. In my weak defence, when I watched it for the first time, I thought it was pretty clear it was a suicide mission, but apparently it is not.