The WEB-DL uses a lower variable bitrate (often dipping to 3 Mbps during the basement scenes). The BDRip averages 12-15 Mbps. The result? When Sam screams "JAY!" in the finale, the visual noise doesn't spike.
Furthermore, Episode 10 serves as a soft season finale (setting up the Season 4 "Ghost Power" arc). The emotional beat between Sam and Jay in the final two minutes relies on subtle facial acting. Utkarsh Ambudkar’s micro-expressions of relief and love are lost in 720p. In the BDRip, they are frame-perfect. ghosts s03e10 bdrip