What did Yoda say when he saw himself in 4K? "HDMI."
Yoda's 4K Observation
Explanation
Explain Bear
Listen up, nimrod. This joke is all about wordplay. You see, Yoda, that green dude from Star Wars, kinda talks backwards. So, instead of saying "HD, I am!," he'd say "HDMI." And 4K is a fancy way of saying the TV is crystal clear. Get it now, dummy?