Source: http://the-big-bang-theory.com/
CBS has announced the details of episode 2.14, "The Financial Permeability", which will air February 2nd.
"The Financial Permeability" – Sheldon’s "simple" solution to Penny’s financial problem leads to a confrontation between Leonard and Penny’s hulking ex-boyfriend, Kurt, on THE BIG BANG THEORY, Monday, Feb. 2 (8:00-8:30 PM, ET/PT) on the CBS Television Network.