Aired Wednesday 18 September, 7:30pm - 8:00pmon E4 +1

The Big Bang Theory

Series 4 Episode 9: The Boyfriend Complexity

When Penny's dad comes to visit, Leonard discovers that she told her parents they were back together because they always had a soft spot for him. Leonard takes full advantage and plays his boyfriend role to the hilt much to Penny's dismay. Elsewhere, Raj is disappointed when Bernadette shows up during his and Howard's quality time.

Category: Sitcom
Original air date: 18/11/2010

Cast and crew

Mark CendrowskiDirector
Johnny GaleckiLeonard Hofstadter
Jim ParsonsSheldon Cooper
Kaley CuocoPenny
Simon HelbergHoward Wolowitz
Kunal NayyarRaj Koothrappali
Melissa RauchBernadette Rostenkowski
Keith CarradineWyatt

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Upcoming broadcasts

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