About this showing of The Big Bang Theory
Sheldon and Bert collaborate on a research project, while Penny and Bernadette coach Koothrappali on how to navigate his relationship with Ruchi.
Previously on TV
The Big Bang Theory
The Geology Methodology
Previously shown on TLC on Tue 1 Sep 2026 at 19:30.
This showing has ended
This showing was on TLC at 19:30 on Tue 1 Sep 2026. See future airings below or open the main programme page for the latest TV times.
Airing details
ChannelTLC
StartsTue 1 Sep 2026, 19:30
EndsTue 1 Sep 2026, 20:00
Episode / edition: The Geology Methodology
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The next currently listed showing is Thu 3 Sep 2026, 10:00 on TLC.
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