Following the failure of his previous grant database idea, Sheldon sets his sights higher—literally. He begins a project to search for life on other planets, much to the amusement (and occasional mockery) of Dr. Linkletter.
In the world of file sharing and piracy, uploaders often mislabel files to make them appear higher quality or to disguise the true source. In this specific case, "BDSCR" was likely used to describe what was actually a high-bitrate (High Definition TV) capture or a WEB-DL (Direct download from a streaming service) recording. young sheldon s06e18 bdscr
If the file was indeed a legitimate BDSCR, it would likely possess: Following the failure of his previous grant database