Vivi was met, in her guise as Baroque Works agent 'Miss Wednesday', in episode 62.
Episode 518 she gives him a boat so he can meet up with his friends.
It is in Episode 461, 'The Beginning of the Battle! Ace and Whitebeard's Past". Ace meets Shanks in a cave, thanking him for saving his brother Luffy.
Genzo gave Luffy CPR in episode 39 and 40 also Nojiko resumed CPR on Luffy in episode 40.
it is episode 53 .. chapter 100 in manga
Episode 337 "Venture Into the Devil's Sea! The Mysterious Skeleton Floating Through the Fog"
Episode 518 she gives him a boat so he can meet up with his friends.
It is in Episode 461, 'The Beginning of the Battle! Ace and Whitebeard's Past". Ace meets Shanks in a cave, thanking him for saving his brother Luffy.
Genzo gave Luffy CPR in episode 39 and 40 also Nojiko resumed CPR on Luffy in episode 40.
it is episode 53 .. chapter 100 in manga
The fight between Luffy and Crocodile starts from episode 122
Episode 337 "Venture Into the Devil's Sea! The Mysterious Skeleton Floating Through the Fog"
he defeated lucci in episode 309
Episode 236
Episode 408.
Luffy ends up on Amazon Lily, the island of women, in episode 408.
Dragon saves luffy from Smoker in Loguetown, although they didnt meet face to face, and Dragon hides himself from luffy, that was the only instance that Dragon met Luffy so far
it is in episode 3.