"The Bon Voyage Reaction" -- A new success for Leonard makes Sheldon very jealous and throws Penny for a loop. Meanwhile, Koothrappali pushes Lucy too far in their relationship, on the sixth season finale of THE BIG BANG THEORY, Thursday, May 16 (8:00 – 8:31 PM, ET/PT) on the CBS Television Network.
Source: CBS
Source: CBS
