Aired Saturday 13 April, 5:40pm - 6:10pmon E4

The Big Bang Theory

Name: 2:40pm - Series 2 Episode 3
Start: 2025-07-13T13:40:00Z
End: 2025-07-13T14:10:00Z
Location: E4

Series 9 Episode 18: The Application Deterioration

Leonard, Sheldon and Wolowitz file for a patent on their new invention while Penny, Amy and Bernadette give dating advice to Koothrappali after his breakup with Emily.

Category: Sitcom
Original air date: 10/03/2016

Cast and crew

Mark CendrowskiDirector
Johnny GaleckiLeonard Hofstadter
Jim ParsonsSheldon Cooper
Kaley CuocoPenny
Simon HelbergHoward Wolowitz
Kunal NayyarRaj Koothrappali
Mayim BialikAmy Farrah Fowler
Melissa RauchBernadette Rostenkowski
Laura SpencerEmily Sweeney
Alessandra TorresaniClaire
Jim HolmesTim

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Upcoming broadcasts

Today, 1:05pmon E4
Series 1 Episode 17
Today, 1:35pmon E4
Series 2 Episode 1
Today, 2:05pmon E4
Series 2 Episode 2
Today, 2:05pmon E4 +1
Series 1 Episode 17
Today, 2:35pmon E4 +1
Series 2 Episode 1
Today, 2:40pmon E4
Series 2 Episode 3