The episode is actually really funny, series creator Dan Fogelman tells EW.
Weve been dealing in with some weighty stuff in the last few and in episodes to come.
So theres a tone to the episode in general thats nice.

Credit: Ron Batzdorff/NBC
And then it packs a huge emotional wallop and piece of information into it.
And his choice might surprise.
This weeks journey into the past gets you an invite to the Big Threes 10th birthday parties.
As we hinted above, the whole episode isnt a party.
In fact, you should steel yourself for some somberness in regard to Jack.
Theres a piece of information that comes out in this episode about his death, hints Fogelman.
People have a lot of questions.
To read a Q&A with Mandy Moore about last weeks all-flashback prequel-to-the-pilot episode,click here.