Oliver Stark chats with Cinefilos about 9-1-1.

We've added screenshots from Episode 5, "Buck Begins," of Season 4 of 9-1-1.

What is this element that sets the series apart?

This week, 9-1-1 gave Evan "Buck" Buckley (Oliver Stark) his very own backstory episode

To mark the arrival of our lord and saviour – Disney+'s Star – Stark talked us through how he's coped with staying both healthy and sane over the last year.

Oliver Stark is interviewed for season four of 9-1-1, which is coming to Star, the new channel geared towards adults on Disney+.

Between the family scenes and the fire, was this your most physically and emotionally strenuous episode?

PEOPLE spoke to Stark, 29, to take us through some of those twists and turns

Oliver Stark on the Buck Begins episode on Fox 9-1-1.