When a prized comic book – a rare 1962 Fantastic Four #1, gifted by his late father – goes missing from Sheldon’s locked desk drawer, the young genius turns the Cooper household upside down. Convinced the culprit is either his brother Georgie or his Meemaw’s new boyfriend, Dale (Craig T. Nelson), Sheldon creates a detailed evidentiary chart, complete with motive, opportunity, and fingerprint analysis (using cocoa powder and scotch tape).