For longtime fans of 9-1-1, few relationships on the show are as tender and meaningful as the one between Captain Bobby Nash and young Christopher Diaz. And behind the scenes, that bond seems just as real.
Recently, Gavin McHugh (who plays Christopher) shared a photo that sent waves of warmth through the fandom. In it, he’s seen smiling proudly alongside Peter Krause, who portrays Bobby — the beloved leader of Station 118. The caption read simply: “One of my favorite filming days with Cap!” and honestly, it says it all.
Throughout the series, Bobby has been more than just a firehouse captain. He’s a steady mentor, a protector, and often, a quiet emotional anchor for the entire team. His relationship with Christopher, although not central to every storyline, has always carried a softness that resonates. Whether it’s a calm conversation at the Diaz home or a gentle moment of encouragement, Bobby has been a father figure not just to Eddie’s son — but to all of 118.
Seeing Gavin and Peter together like this is a reminder of the heart that 9-1-1 brings to every episode. The joy on set, the genuine friendships, and the emotional depth translate beautifully onto the screen — and into the hearts of fans.
As Peter Krause wraps his journey on 9-1-1, this photo feels like the perfect tribute: simple, sweet, and filled with love. Thank you, Cap, for the memories — both on camera and off.