At around 27 minutes, while Maddie and Todd are watching the news report on the TV at the 911 Call Center and Ali is watching it on TV at home, you see a firefighter with the name 'Fabrizio' across the bottom of the rear of his coat run towards the scene. Fabrizio was the name of the character that Danny Nucci, who plays Detective Rick Romero in this episode, played alongside Leonardo DiCaprio in James Cameron's Titanic (1997).
The production code was 2LAY18.