• 'The Big Bang Theory' stars Melissa Rauch, Johnny Galecki, Kaley Cuoco, Simon Helberg, Jim Parsons, Mayim Bialik and Kunal Nayyar attend the People's Choice Awards 2016.

'The Big Bang Theory' stars Melissa Rauch, Johnny Galecki, Kaley Cuoco, Simon Helberg, Jim Parsons, Mayim Bialik and Kunal Nayyar attend the People's Choice Awards 2016. (Photo : Getty Images/Kevork Djansezian)

Fans are now excited to witness some of the biggest happenings in the CBS comedy series on its Thursday episode. As revealed in "The Big Bang Theory" Season 10 spoilers, Bernadette Rostenkowski (Melissa Rauch) will give birth to Hallie that coincides with Sheldon Cooper (Jim Parsons) and Amy Farrah Fowler's (Mayim Bialik) coitus anniversary.

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[WARNING: THIS POST CONTAINS "THE BIG BANG THEORY" SEASON 10 SPOILERS.]

As expected, fans wanted to know whether Cooper and Fowler would do it again to celebrate the latter's birthday and their anniversary when "The Big Bang Theory" Season 10 returns. Although Cooper and Fowler may have some plans in their mind, the big question is whether Rostenkowski and Howard Wolowitz (Simon Helberg) would pursue it or not.

"He is coming around, very slowly as he does," the series showrunner Steve Molaro told TVLine. "He still struggles with physical intimacy, but he doesn't dislike it. And he loves Amy."

Given Molaro's statement, it would be worthwhile to think that Cooper and Fowler are planning a big celebration on that day. Cooper has a special gift for her birthday, and he is also looking forward for their next coitus. However, the next episode in "The Big Bang Theory" Season 10 looks like that Rostenkowski having a labor would ruin some of their plans.

As Molaro told Glamour, Rostenkowski will welcome her first child with Wolowitz on that day, which may actually get in the way of Cooper and Fowler's birthday plans to rekindle their intimacy. Molaro teased that the next episode marks a milestone for the series, so it is expected to present an unexpected twist.

There are speculations if Cooper and Fowler's engagement will happen at the end of "The Big Bang Theory" Season 10. Molaro declined to give more hints, but he assured that it will happen at the right time.

The showrunner also shared that the new episode will see Cooper doing some alterations to Penny's original bedroom. Molaro clarified that despite the changes, Cooper's couch would remain his no matter what.

The Thursday's episode titled "The Birthday Synchronicity" will see the characters developing as Rostenkowski and Wolowitz assume their role as parents to Hallie. Leonard Hofstadter (Johnny Galecki) and Kaley Cuoco (Penny) moved into their new home. Check out the sneak peek of this episode: