All current seasons (Seasons 1–4) include official Hungarian subtitles and, in many cases, Hungarian dubbing as well.
"Cartwright," Lamb barked, scratching his belly through a shirt that had seen better decades. "Why are you staring at that spreadsheet like it’s going to tell you the meaning of life? It’s a list of wire fasteners. Your life is wire fasteners now. Accept it." Slow Horses (2022) magyar felirat
Across the room, Jackson Lamb’s office door creaked open. The smell of cheap cigarettes and even cheaper gin drifted out like a physical entity. It’s a list of wire fasteners
"I found a discrepancy," River said, trying to maintain a shred of dignity. "Four thousand clips went to a warehouse in Peckham that doesn't exist." The smell of cheap cigarettes and even cheaper
Lamb exhaled a cloud of smoke that obscured his face. "Fine. Go to Peckham. If you get shot, try to bleed on the sidewalk. I don't want to fill out the paperwork for cleaning the upholstery in your car."
Since you mentioned "write a story" alongside Slow Horses , here is a brief piece of fiction inspired by the show’s grimy, espionage-failure aesthetic.