: In Episode 15, "The Novelization Correlation," Leonard writes a murder mystery novel. Penny becomes upset when she suspects the "cold, mean" female protagonist is based on her.
: In Episode 11, "The Celebration Reverberation," Leonard receives a boastful Christmas letter from his brother, prompting him to try writing his own letter to list his life accomplishments. The Big Bang Theory - Season 11 ...
: In Episode 9, "The Bitcoin Entanglement," the plot centers on a missing laptop (and later a flash drive) containing valuable bitcoins the guys mined years earlier. : In Episode 15, "The Novelization Correlation," Leonard
In Episode 13, "The Solo Oscillation," Sheldon reads a research paper by Bert that makes him realize he has lost the joy in his own research. This realization drives Sheldon to briefly "kick out" Amy so he can focus on finding his own scientific inspiration again, which he eventually finds in a surprising way through Penny. Other "Papers" and Documents in Season 11 : In Episode 9, "The Bitcoin Entanglement," the