For the next episode of the TV series sitcom "The Big Bang Theory" season 11, Sheldon Cooper (Jim Parsons) will collaborate with Bert Kibbler (Brian Posehn) for a new research project. Raj Koothrappali (Kunal Nayyar) will dive into a new romantic adventure to capture the heart of his new friend Ruchi (Swati Kapila).

The sixth episode ended with Halley Wolowitz calling Penny (Kaley Cuco) Mama instead of her own mother, Bernadette (Melissa Rauch). Also, Will Wheaton snatched Sheldon's dream to become Professor Proton resulting in his name to be put back in Sheldon's mortal enemy list. The most recent episode also featured Professor Proton portrayed by actor Bob Newhart.

Going back to episode 7, fans do not know what to expect, with Sheldon and Bert working together. In the past episodes, the relationship of the two remained unstable with Sheldon being jealous of Bert's accomplishments. However, the two of them shared a nice time watching "The Ellen Show" together.

A sneak peek video for episode 7 showed Bert inviting Sheldon to work with him by monitoring four billion years old meteorites to determine if they show signs of neutrino interactions.

No information about the season finale's plot, with Sheldon and Amy Fowler (Mayim Bialik) engagement and Bernadette finding out she is pregnant again, has been made available as of report writing. There are some speculations that season 11 will end with a big wedding. No updates nor announcements have also been released from the producers on the new characters that will be introduced in season 11.

The show had been renewed until season 12 earlier this year. There is still no confirmation is season 12 will be the final season of the series.

"The Big Bang Theory" airs new episodes every Thursday at 8 p.m. EST on CBS. The show is then followed by its spin-off series "Young Sheldon" at 8:30 p.m. EST. Fans can enjoy an hour of Sheldon with thetwo sitcoms scheduled next to each other.