'This is Us' big three birthday surprise

'This is Us' big three birthday surprise

Saturday, Aug. 31, "This is Us" celebrated the "Big Three's" birthday with a special surprise for fans.

You Don't Know Us | This Is Us

It's the "Big Three's" birthday and This is Us is sharing a special preview to season 4. This is the next chapter. We’ll see you for the extended premiere event of This Is Us Tuesday, September 24 on Channel 11. https://on.wpxi.com/2MNdRuu

Posted by WPXI See & Be Seen on Saturday, August 31, 2019

In honor of Kate, Randall and Kevin, "This is Us" shared a preview of season 4.

Be sure to watch "This is Us" Tuesday nights at 9 p.m. on Channel 11, starting Sept. 24.