24 épisodes : "La Pub de Penny (The Skank Reflex Analysis)", "Microbes, Acariens, Tiques et Compagnie ! (The Infestation Hypothesis)", "L'Extrapolation de l'aine froissée (The Pulled Groin Extrapolation)", "Dialogue de sourds (The Wiggly Finger Catalyst)", "La Fusée à réaction (The Russian Rocket Reaction)", "Une mère envahissante (The Rhinitis Revelation)", "Le Dilemme de Leonard (The Good Guy Fluctuation)", "Problème d'isolation (The Isolation Permutation)", "La Phobie de Sheldon (The Ornithophobia Diffusion)", "La Quadruple Négation (The Flaming Spittoon Acquisition)", "Le Bourreau de Leonard (The Speckerman Recurrence)", "Princesse Amy (The Shiny Trinket Maneuver)", "L'Hypothèse de recombinaison (The Recombination Hypothesis)", "Le Début de l'essai beta (The Beta Test Initiation)", "La Contraction de l'amitié (The Friendship Contraction)", "La Solution des vacances (The Vacation Solution)", "La Désintégration Rothman (The Rothman Disintegration)", "La Transformation loup-garou (The Werewolf Transformation)", "Le Week-end du vortex (The Weekend Vortex)", "(The Transporter Malfunction)", "(The Hawking Excitation)", "(The Stag Convergence)", "(The Launch Acceleration)" et "(The Countdown Reflection)".
