The ultimate source for a high-quality MKV is often a physical Blu-ray or DVD. These releases contain the episode on a disc that must be "ripped" (copied and converted) to a digital file using software like MakeMKV. This is a crucial step, as the process of decrypting and ripping a disc to an MKV can sometimes run into issues, leading to the need for a repack. This is why the world of Twin Peaks physical media is often discussed in the same breath as these digital formats.
The keyword can be broken down into three parts, each with a specific meaning: twin peaks 1x00 pilotmkv repack