It’s fight week for “UFC 273: Volkanovski vs. The Korean Zombie,” and big pay-per-view events mean the return of “Countdown.”

This week’s episode takes a special look at the heated rematch and title unifier between reigning bantamweight champion Aljamain Sterling (20-3 MMA, 12-3 UFC) and interim titleholder Petr Yan (16-2 MMA, 8-1 UFC).

UFC 273 takes place Saturday at VyStar Veterans Memorial Arena in Jacksonville, Fla. The main card airs on ESPN+ pay-per-view following prelims on ESPN and early prelims on ESPN+.

“Countdown” goes behind the scenes with Sterling and Yan, and you can watch the full segment above. Here’s the official description, courtesy of the UFC:

UFC 273 Countdown previews the co-main event rematch between bantamweight king Aljamain Sterling and interim champ Petr Yan. See these athletes train and prepare for their bouts on Saturday, April 9.

Or if you prefer, catch the entire episode in the video below.