CBS has announced the details of the fifteenth episode of the season, “The Large Hadron Collision“, which will air February 8th.
“The Large Hadron Collision” – Leonard can only bring one guest on a trip to see CERN’s Large Hadron Collider (the world’s largest and highest energy particle accelerator) in Switzerland on Valentine’s Day, on THE BIG BANG THEORY, Monday, Feb. 8 (9:30-10:00 PM, ET/PT) on the CBS Television Network.
You can find more information on the episode in our Episode Guide. Reruns will be airing February 15th and 22nd, with the next original episode airing March 1st.