npub15gnn84cc5e5p0t36j2hcx9dht0xknqg8m208ejdpqg0ts2jwdx2qz2gx9s (npub15gn…gx9s) It's a common complaint with 4K tvs. Somewhere in the settings you should be able to change it quite easily:
https://www.digitaltrends.com/home-theater/what-is-the-soap-opera-effect-in-tvs-and-how-to-turn-it-off/