Howard and Bernadette's girl Halley born in the holiday season. Everyone's holiday is ruined one way or another. Bernadette is frustrated and Sheldon gets offended by his mother.
The soon to air Season 10 Episode 12 of The Big Bang Theory will welcome Baby Halley Wolowitz. Howard and Bernadette are struggling to handle the baby whereas Leonard and Penny are out for Christmas Tree shopping and Amy Sheldon are away in Texas to meet Mary.