Aired Saturday 2 August, 1:25am - 1:55amon E4 +1

The Big Bang Theory

Name: 3:40pm - Series 3 Episode 4
Start: 2025-08-02T14:40:00Z
End: 2025-08-02T15:10:00Z
Location: E4 +1

Series 2 Episode 23: The Monopolar Expedition

Leonard and Penny reconsider their feelings for one another, but is there a future for them when Leonard and his friends decide to spend the summer working at the North Pole?

Category: Sitcom
Original air date: 11/05/2009

Cast and crew

Mark CendrowskiDirector
Johnny GaleckiLeonard Hofstadter
Jim ParsonsSheldon Cooper
Kaley CuocoPenny
Simon HelbergHoward Wolowitz
Kunal NayyarRaj Koothrappali
Carol Ann Susi
Brian GeorgeDr. V.M. Koothrappali
Alice AmterMrs. Koothrappali

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Upcoming broadcasts

Today, 1:40pmon E4
Series 3 Episode 2
Today, 2:10pmon E4
Series 3 Episode 3
Today, 2:40pmon E4
Series 3 Episode 4
Today, 2:40pmon E4 +1
Series 3 Episode 2
Today, 3:10pmon E4 +1
Series 3 Episode 3
Today, 3:40pmon E4 +1
Series 3 Episode 4