No article about this episode would be complete without its iconic dialogue:
" The Psychic Vortex " (3x12) is often cited as a standout episode of The Big Bang Theory 's third season, primarily for its strong B-plot featuring a rare, successful social outing for Sheldon and Raj. While the A-plot centers on a recurring conflict between Leonard’s rigid rationalism and Penny’s more "open-minded" beliefs, the episode is most remembered for its guest stars and Sheldon’s oblivious charm. Plot Highlights The Big Bang Theory 3x12