I dont want to overpromise, but I will,This Is Usexecutive producer Isaac Aptaker quips to EW.

I would say the last ten minutes of this episode are packed with about as much as Oh!

excitement andThis Is Usmoments as weve ever had.

This-is-Us

NBC

It is so dense.

I think people will be very anxious for this show to get back after the holidays.

Its hugely surprising, he says.

Its one of our biggest shocking moments that weve had on the show.

Its all over the place in the best way.

This Is Us,which airs its fall finale on Tuesday at 9 p.m.

ET on NBC, returns to the schedule in January.