Season 1

“McGarrett: Kono? Kono: Blanksville. McGarrett: Danno? Danno: Double blanksville. Chin: Chin Ho Kelly strikes again! McGarrett: Shut up and sit down.”

— Peter M. Lenkov, Steve McGarrett, Alex O'Loughlin, imdb.com

“Steve McGarrett: That guy was only going to talk under fear of death? Danny “Danno” Williams: Fear of death? People will tell you anything under fear of death. That doesn't make it true!”

— Paul Zbyszewski, Sarah Goldfinger, Danny Williams, Scott Caan, imdb.com

“Danny “Danno” Williams: First you have to seek to understand before you can be enlightened. Steve McGarrett: I will literally pay you cash to stop talking.”

— Alex Kurtzman, Roberto Orci, Danny Williams, Scott Caan, imdb.com

“Danny “Danno” Williams: Can I ask you a question? Why are you always driving my car? Steve McGarrett: I like to drive. Danny “Danno” Williams: No. Rainman liked to drive. You have control issues.”

— Carol Barbee, Danny Williams, Scott Caan, imdb.com

“Steve McGarrett: Do you realize how much of your life revolves around food? Danny “Danno” Williams: Do you realize how much of your life revolves around armed conflict?”

— Shane Salerno, Peter M. Lenkov, Danny Williams, Scott Caan, imdb.com

“Danny “Danno” Williams: You know what the greatest invention of all time is? Chin Ho Kelly: What? Danny “Danno” Williams: The ignore button. I have a theory that whoever invented the modern cellular phone also had an ex-wife.”

— Carol Barbee, Danny Williams, Scott Caan, imdb.com

“Steve McGarrett: This is densely layered ballistic glass, laminated onto a shield of resilient polycarbonate. Danny “Danno” Williams: Why can't you just say 'bulletproof?'”

— Paul Zbyszewski, Sarah Goldfinger, Steve McGarrett, Alex O'Loughlin, imdb.com

“Steve McGarrett: Book em' Danno. Danny “Danno” Williams: Really? Is that gonna be a thing now? Steve McGarrett: You don't like it? Danny “Danno” Williams: Don't like it. Steve McGarrett: I think it's catchy.”

— Paul Zbyszewski, Sarah Goldfinger, Steve McGarrett, Alex O'Loughlin, imdb.com

“Steve McGarrett: There is something you should know about your brother Victor. Victor: What's that? Steve McGarrett: He died the same way you did.”

— Alex Kurtzman, Steve McGarrett, Alex O'Loughlin, imdb.com

“Steve McGarrett: Let me ask you something. How far deep did you have to dig? I mean, how much of your soul did you just lose by actually appreciating me? Danny “Danno” Williams: Ah. Measuring.”

— Alex Kurtzman, Steve McGarrett, Alex O'Loughlin, imdb.com

“I'm so glad you're not hotheaded. I'd hate to work with someone like that.”

— Jim Galasso, Steve McGarrett, Alex O'Loughlin, imdb.com

“Danny “Danno” Williams: You have got to do a better job of picking your friends. Steve McGarrett: What are you talking about? I picked you.”

— Shane Salerno, Peter M. Lenkov, Steve McGarrett, Alex O'Loughlin, imdb.com

“Steve McGarrett: Take that tie off. No one on a cruise ship wears a tie. Danny “Danno” Williams: Oh yes, they do. They do all the time, so they can hang themselves when they're bored. Steve McGarrett: Okay, put it in your pocket. You can kill yourself later.”

— J. R. Orci, David Wolkove, Steve McGarrett, Alex O'Loughlin, imdb.com

“Danny “Danno” Williams: May 18th, 1996! Steve McGarrett: What is that? Danny “Danno” Williams: The last time I puked. Don't make me break my streak. Steve McGarrett: You will not be sick in this car. You will not be sick in this car!”

— J. R. Orci, David Wolkove, Steve McGarrett, Alex O'Loughlin, imdb.com

“Danny “Danno” Williams: I just had a thought. Steve McGarrett: Don't hurt yourself.”

— Carol Barbee, Steve McGarrett, Alex O'Loughlin, imdb.com

“Guess the rest of us who don't have a seat on an aircraft carrier will just have to get out or snorkels.”

— Jessica Grasl, Melissa Glenn, Steve McGarrett, Alex O'Loughlin, imdb.com