The Big Bang Theory Season 10 Episode 12, titled The Holiday Summation will be more exciting as Sheldon's mother comes to visit him and Amy. The arrival of Bernadette and Howard's baby Halley will bring forth newer angles.

While the debate and speculations can talk about The Big Bang Theory Season 11, it is the twelfth episode of The Big Bang Theory Season 10 that seems to have acquired limelight. Set to return next month after a two-week break, the episode is titled, The Holiday Summation and lives up to its name.

The Big Bang Theory Season 10, Episode 12 will see the regular gang telling their holiday stories, reports Inquisitr. They will be back in their living room along with Stuart, recounting the stories of the horrible holidays they had.

Things will get more interesting as Sheldon's mother Mary is also expected to make an appearance in the winter premiere. Amy and Sheldon already went to her in Texas to pay her a visit and it turned out to be terrible.

Now, they will be sharing details about the same with Leonard and Penny. As for Mary, she would find out that Sheldon has been living together with Amy as the latter has already told her about it.

It might not shock her but Sheldon would be annoyed that Amy confided in his mother without telling him. In fact, Mary would be happy to know that there is someone like Amy for her son.

The Big Bang Theory Season 10 Episode 12 is going to be truly exciting and more so because of Bernadette and Howard's baby Halley. Executive producer Steve Molaro has revealed this in an interview to The Hollywood Reporter.

He also said that her arrival will open up doors to more stories without altering the DNA of the CBS show. As for the couple dealing with parenthood, Molaro said that both are pretty nervous and he thinks that they just got in a car for a ride and don't really know what to expect.

As for Howard's father getting in touch with him, he said that they do not have immediate plans to execute it, but it is certainly there. However, he declined to reveal anything about the actor who would be playing his father and the same goes for Sheldon spinoff. He merely said that he is not ready to talk about it and it is still an idea.

The Big Bang Theory Season 10, Episode 12 airs on Jan. 5 on CBS.