If you legally own Flow (e.g., bought the Blu-ray or download), you can use free software like HandBrake to encode your own 480p H.265 copy for personal use. This is legal under fair use (in some jurisdictions) and ensures clean source quality.

HandBrake settings for a Flow-like small file:

You’ll get a better result than any WebRip.

  • Language: English (ENG)
  • Video Codec: H.265 (X265)
  • Audio Codec: High Efficiency (HE)

    • This is just a truncation of “HEVC” (High Efficiency Video Coding), another name for H.265.