Dedication - S1-E15
Revealing mistake: Frank gives Walter a new cigar. However, in the closeup when Walter puts the cigar in his mouth The End of the cigar is burnt and shows that it was once lit and put out. (00:01:35)
Blue Bloods (2010)
1 revealing mistake in Dedication - chronological order
Starring: Tom Selleck, Bridget Moynahan, Donnie Wahlberg, Len Cariou, Will Estes
Character mistake: Sergeant Gormley is promoted to Lieutenant in the previous episode. In this episode he is referred to as Sergeant Gormley by Commissioner Reagan and Deputy Commissioner Garrett Moore at least twice.
Frank Reagan: I'm the PC. I know everything.
More trivia for Blue Bloods
Question: What is the pin Mayor Dutton is wearing?
Answer: The Seal of the City of New York.