The actors said 'I do' in August, Rubinstein revealed on Instagram.
A new episode airs Monday.
The co-stars offer an early glimpse into the upcoming season.
The two actors share what it has meant to bring Carlos and T.K.'s relationship to life on the FOX drama.
ET spoke with actor Ronen Rubinstein about the '9-1-1' and '9-1-1: Lone Star' crossover event that begins Monday, Feb. 1 on Fox.
The actor talks to ET about playing Rob Lowe's gay son on the Fox series -- plus, watch an exclusive sneak peek from Monday's episode!