• Steven Molaro, Bill Prady, Mayim Bialik, Jim Parsons, Kaley Cuoco, Johnny Galecki, and Simon Helberg attend The Paley Center For Media's 33rd Annual PALEYFEST Los Angeles.

Steven Molaro, Bill Prady, Mayim Bialik, Jim Parsons, Kaley Cuoco, Johnny Galecki, and Simon Helberg attend The Paley Center For Media's 33rd Annual PALEYFEST Los Angeles. (Photo : Getty Images/Matt Winkelmeyer)

If the latest teaser of the upcoming episode is any indication, then Leonard will be seen asking Sheldon to help draft a relationship agreement for the couple.

The episode, titled "The Romance Recalibration," is due to air on Jan. 19 CBS Network at 8 pm EST. According to the episode's official synopsis, Penny is unhappy that her husband, Leonard, is taking her for granted. In an act of defiance, she decided to go on her spa weekend with Amy.

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In the promo, Penny is shown visibly disturbed by Leonard's snoring and is unable to take it anymore. The couple decided to do counseling from the most unlikely person, Sheldon, and decided to ask for his help in getting a relationship agreement.

Sheldon is excited to do what he does best, devising tight relationship agreements. Looking at her boyfriend's eagerness, Amy breaks into a chuckle, making Penny annoyed at Amy's insensitivity to laugh at the situation. Amy explains that it is a part of her own relationship agreement to laugh at Sheldon's jokes.

The upcoming episode revolves around Penny and her dismay at how Leonard doesn't do the same things he used to do before. She hopes that her husband would go back to treating her romantically with candlelight dinners, flowers, dates etc. However, she is always neglected by Leonard's preference to play video games instead, Spoilers Guide reported.

Meanwhile, as the show reaches on to its 13th episode, CBS network is still in the middle of negotiating the contract renewal of Jim Parsons (Sheldon), Kaley Cuoco (Penny) and Johnny Galecki (Leonard), leaving the fate of season 11 hanging in the balance, Variety reported.

As the contracts are still being negotiated, with half the season 10 gone already, speculations are doing the rounds that "The Big Bang Theory" Season 11 may get axed. For now, nothing has been confirmed by the production team. 

Watch the episode 13 promo here: