Young Sheldon S02E06 – "A Fluctuation in Resolution, a Fracture in Friendship"

When he plays it at home, the tape is not only grainy (barely 480i) but also cuts off the final five minutes of Sagan’s explanation of nuclear fusion. Sheldon has a meltdown so precise it involves a whiteboard, three equations, and a tearful monologue about "the fragility of visual information."

That night, the Cooper family sneaks into the back of Skip’s van, watching a slightly-wobbly but true 720p signal on a tiny monitor. Sheldon is ecstatic — until Meemaw shows up with the police, having been tipped off by George. "You grounded, genius," George sighs.

Sheldon, grounded, sits in his room. Missy brings him a crayon drawing of Carl Sagan labeled "720p" in glitter glue. Sheldon stares at it for a long moment, then says quietly: "The aspect ratio is wrong, but… the intent is acceptable."

Realizing the truth, Sheldon enters a fugue state of betrayal. But Missy — using social skills Sheldon lacks — negotiates a deal: Skip will record the actual 720p broadcast from a Houston electronics store’s display model if Sheldon helps him fix his illegal duplication rig’s tracking alignment (a technical problem Sheldon solves in four minutes).