9-1-1's Peter Krause played, undeniably,one of the greatest Captains in procedural TV history. It’s no wonder that fans even put up a billboard to commemorate Bobby Naszh (and manifest his miraculous return.) Bobby was more than just a captain to the entire 118 – but to Oliver Stark’s Buck, he was the closest thing he had to a father. Let’s revisit this relationship, why it was so important to the characters and the series, and where this shocker death will leave Buck. I'm not going to lie, I'm nervous... and you should be, too.