If you are managing this specific file, you’re likely dealing with a high-quality rip of the Blu-ray or DVD remasters. The MKV (Matroska Video) container is ideal for Buck Rogers because it supports:
corresponds to the episode titled “Space Rockers” (original airdate: November 15, 1979). While earlier episodes focused on Buck’s fish-out-of-water acclimation and the looming threat of the Pirate Navy, Episode 8 is where the series finds its unique voice. Buck Rogers in the 25th Century S01 - 08.mkv