In which episode does the second sister’s firefighter boyfriend appear in Modern Family?

Modern Family’s middle sister’s firefighter boyfriend appears in Season 10, Episode 5.

The original name of this series is "My American Family". The script was originally about an exchange student living in the home of one of the protagonists, Jay, who is a photographer. teacher, and fell in love with Jay's daughter Claire (and Claire's brother Mitchell fell in love with him), but in the end the concept was overturned.

Related plots

Phil and Claire prepare for their favorite annual holiday, Halloween, at home. Every year they try their best to decorate their home in a spooky way. But this year they were destined not to be able to do so. Mother Didi's current husband Jerry called and informed her that Didi had passed away. Mitchell, Cameron, and Lily arrived at Claire's house first.

Mitchell couldn't believe it. He just talked to his mother on the phone not long ago, and she left today. Thinking about it now, it was like saying goodbye. Jay and Gloria also walked through the door. Jay was holding a bag of sandwiches in his hands and couldn't even utter a decent eulogy.