The showrunner also unpacks the season's message of forgiveness and how it will play out for all its characters, including those played by Jason Segel, Harrison Ford and Jessica Williams.

"It was tender up until the moment we had to walk on set together," Jason Segel said of his encounters with Brett Goldstein on set

What Paul has always warned Jimmy about has now come to roost. “You can’t hide from anything,” Segel says. “It will come back and get you. It’s what Paul has been saying to Jimmy for a season and a half now: you cannot run from what you’re most afraid of. It’s going to come get you.”