"The Pancake Batter Anomaly" – When Sheldon gets sick, Leonard and the boys know what’s in store and avoid him like the plague, leaving an unsuspecting Penny to nurse the world’s worst patient back to health, on THE BIG BANG THEORY, Monday, March 31 (8:00-8:30 PM, ET/PT) on the CBS Television Network.

"The Loobenfeld Decay" – After hearing Penny sing, Leonard lies to avoid seeing her perform, but Sheldon takes it one step further with a more elaborate lie that leads to the appearance of his non-existent cousin Source: http://the-big-bang-theory.com/

"The Cooper-Hofstadter Polarization" – When Sheldon and Leonard are invited to present their joint findings at a physics conference, Sheldon refuses, and Penny steps in to mediate, only deepening the rift between the two best friends, on THE BIG BANG THEORY, Monday, March 17 (8:00-8:30 PM, ET/PT), on the CBS Television Network.

Source:  http://the-big-bang-theory.com/ CBS has officially announced details of the 8th episode which will air November 12th. WHILE ON A BLIND DATE, KOOTHRAPPALI DISCOVERS HE ACTUALLY CAN TALK TO A WOMAN, BUT SHELDON STEALS HIS "THUNDER" AND MOVES IN ON HIS LADY, ON "THE BIG BANG THEORY," MONDAY, NOV. "The Grasshopper Experiment" – Koothrappali is overwhelmed [...]

"The Dumpling Paradox" – When Wolowitz seduces Penny’s friend and takes over her apartment, Penny sleeps on Leonard and Sheldon’s couch. With Wolowitz preoccupied, the guys discover they are without a fourth member of their group and in desperation, they ask Penny to join their Halo team, on THE BIG BANG THEORY, Monday Nov. 5 [...]

LEONARD, SHELDON AND THEIR SCIENTIST SIDEKICKS ATTEND PENNY’S HALLOWEEN PARTY, MAKING FOR ONE LONG SOCIALLY AWKWARD EVENING THAT ENDS WITH A BANG, ON "THE BIG BANG THEORY," MONDAY, OCT. 29 "The Middle Earth Paradigm" – Leonard, Sheldon, Wolowitz and Koothrappali undertake a challenging and risky experiment-attending the Halloween party being thrown by their hot neighbor, [...]

LEONARD’S ONE NIGHT STAND THROWS HE AND SHELDON DEEP INTO UNCHARTED SOCIAL WATERS, ON "THE BIG BANG THEORY," MONDAY, OCT. 22 "The Hamburger Postulate"-  After sensing his pursuit of Penny isn’t going anywhere, Leonard agrees to an unexpected sexual encounter with fellow scientist Leslie Winkle (guest star Sara Gilbert), on THE BIG BANG THEORY, Monday, [...]