Fans need to be prepared to witness a story of uncertainty on This Is Us season 3 episode 15. The upcoming episode next week, titled "The Waiting Room," will be all about waiting and wondering what the future could be, especially for Kate and her baby. The episode title itself is already hinting that many characters will be waiting for Kate to see what's going on with her pregnancy.

Here is the official synopsis of This Is Us season 3 episode 15, as per CarterMatt. Tension will run high will run his while the Pearsons are waiting for the news regarding Kate's pregnancy. The synopsis didn't provide clues and what to expect in the upcoming episode, but it will possibly focus more on Kate and her baby's future - and if they are going to end up being okay. Kate's water broke 12 weeks early, and she knew she had a high-risk pregnancy, but she still decided to do it as she wanted to make her dreams come true.

Aside from that, there are some other important things that might happen on This Is Us season 3 episode 15. For instance, Kevin is drinking once again, so what's going on with his sobriety? But then, you just don't wake up one day, and everything gets better.

As for Randall, fans wanted to see another side of the story with him and Beth. In the previous episode, he demanded her to give up being a ballet teacher. That's possibly problematic for both of them as Randall is likely saying his job matters more than hers. But, they could probably make their dreams come true, though they need to have though conversations and compromise.

Meanwhile, Chrissy Metz - who plays the character of Kate - said fans could expect "shocking" and "heartbreaking" This Is Us season 3 finale. In an interview with Pop Sugar, she said it's not what anybody suspects, but there will be more hardships and challenges for Kate and her husband Toby, possibly involving the birth of their child. Metz said she was devastated when reading some of a couple of things that happened.

Aside from teasing the finale, Metz also said Kate having a baby would make her closer with her mother. She will soon realize that everyone was just doing their best that they can, pointing out about her character's rocky relationship with Rebecca.

This Is Us season 3 episode 15 will air on March 12 at 9 PM on NBC.