This indicates the footage was captured directly from a streaming service (like Peacock or Syfy) rather than a physical Blu-ray.
The specific file name you mentioned refers to a popular digital release format: Watch Chucky S01E05 WEBRip x264-ION10 1
This episode is a fan favorite because it features the return of some very familiar faces from the Child's Play franchise, bridging the gap between the original films and the new TV storyline. This indicates the footage was captured directly from