About this showing of The Big Bang Theory
A Christmas visit from his mother has Leonard discovering she's kept a lot of news from him that she shares with Sheldon.
Previously on TV
The Big Bang Theory
The Maternal Congruence
Previously shown on TLC on Fri 18 Sep 2026 at 10:00.
This showing has ended
This showing was on TLC at 10:00 on Fri 18 Sep 2026. See future airings below or open the main programme page for the latest TV times.
Airing details
ChannelTLC
StartsFri 18 Sep 2026, 10:00
EndsFri 18 Sep 2026, 10:30
Episode / edition: The Maternal Congruence
Next showing of The Big Bang Theory
The next currently listed showing is Mon 21 Sep 2026, 10:00 on TLC.
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