My three:
On Her Majesty's Secret Service
The Spy Who Loved Me
Casino Royale
Doing the star rating thing:
Dr. No — ***
From Russia with Love — ****½
Goldfinger — ****½
Thunderball — **½
You Only Live Twice — ***½
On Her Majesty's Secret Service — *****
Diamonds Are Forever — ***
Live and Let Die — **
The Man With the Golden Gun — *½
The Spy Who Loved Me — ****½
Moonraker — ***½
For Your Eyes Only — ****
Octopussy — ***
A View to a Kill — *½
The Living Daylights — ***
Licence to Kill — ***½
GoldenEye — ***½
Tomorrow Never Dies — ***½
The World Is Not Enough — ***½
Die Another Day — **
Casino Royale — *****
Quantum of Solace — **½
You might notice that I also gave 4½ stars to
From Russia with Love and
Goldfinger. I picked
The Spy Who Loved Me over those two because of those three, it's the one I rewatch the most.