Tower: Shima will be pissed if you go in there.
Tia: Shima also said not to let Magnum out of our sight. So pick your poison, no pun intended.

Tower: It turns out you were right.
Magnum: That's got to be hard to admit.

I won't get in your way and you won't get in mine.

Jin [to Sato]

I'm not going to kill you, Mr. Magnum. I killed you five minutes ago.

Osi [to Magnum]

Tower. It's good to see you're not in prison but are out doing what you love -- hovering.

Higgins: That's quite mature of you.
Magnum: I'm quite mature for my age if I do say so myself.

Lady, that is all kinds of crazy.

Lia [to Heather]

Lia: If I haven't said so before, I'm really grateful for your help on this case.
Higgins: You haven't. But you're welcome.

Now enough about your relationship or the lack thereof.

Higgins [to Magnum]

Magnum: It looks like we're going to have to work together on this. It worked out pretty well last time.
Lia: Let's not get ahead of ourselves.

Do you even remember what high school was like? It must have been, like, 40 years ago.

Cade [to T.C.]

Melvin: There here is. The best P.I. on the island.
Magnum: Or the best P.I. that would take your call on short notice.

Magnum P.I. Season 4 Quotes

Higgins: And ...
Ethan: And about to be deservedly frustrated.
Higgins: I did not see that coming.

Magnum: I'm in.
T.C.: That was fast.
Magnum: There was a lot less security than I expected.
Rick: And I expected you to lie about how many security guards you had to take out.