The episode begins with Sheldon receiving a cardboard cut-out of Spock he ordered, however is dismayed to find it is not the Spock played by Leonard Nimoy but rather Zachary Quinto.
Riemann hypothesis | Alvarez hypothesis | Genetic recombination | Witch-cult hypothesis | extraterrestrial hypothesis | two-source hypothesis | recombination | Rare Earth hypothesis | Hebrew Gospel hypothesis | FLP-FRT recombination | Articulata hypothesis | Warburg hypothesis | Two-source hypothesis | Turnover-pulse hypothesis | Three-source hypothesis | Swoon hypothesis | Stolen body hypothesis | Statistical hypothesis testing | Schinzel's hypothesis H | Random walk hypothesis | Plasma recombination | Generalized Riemann Hypothesis | Four-document hypothesis | Extraterrestrial Hypothesis | Extraterrestrial hypothesis | Efficient-market hypothesis | Dopamine hypothesis of schizophrenia | Documentary Hypothesis | documentary hypothesis | Biophilia hypothesis |