[Senzu Beans]
Goku: 5 Senzu Beans When: Saiyan Saga: Eats one as he falls from Kamis Tower towards Earth to regain his energy. Namek Saga: Yajirobe gives a bag of seven senzus to Goku, who eats 4 of them
Gohan: 1 1/2 Senzu Beans When: Saiyan Saga: Goku gives him half of one after he gets whooped by Nappa Namek Saga: Goku gives him one on Namek after he got whooped by Recoome
Goten: 0 Senzu Beans When:No Saga: Never!
Vegeta and Piccolo: 6 Senzu Beans When: Namek Saga: Goku gives him one after he got whooped by Cell Saga: Krillin gives him one after Android 19 steals some of his energy. Also, Trunks gives him one after he gets whooped by #17 and #18. Trunks gives him another one during the Cell Game. Majin Vegeta Saga: Goku gives him one in the fight against Majin Buu.
Trunks: 1 Senzu Bean When:Cell Saga: Krillin gives Trunks one after he gets whooped by #17 and #18
Krillin: 3 1/2 Senzu Beans When:Saiyan Saga: Goku gives him half of one after he is whopped by Vegeta Namek Saga: Goku gives him one after he is whooped by Recoome Cell Saga: Trunks gives him one after he gets nailed by Cell and Trunks gives him another one during the cell game.
Yamcha: 2 Senzu Beans When:Cell Saga: Krillin gives him one after he gets an arm through the stomache from #20, and Trunks gives him one during the Cell Game
Tien: 3 Senzu Beans When:Cell Saga: Krillin gives him one after he gets beat up by #17 and #18, Goku gives him one after he tries a suicide attck on Cell and, Trunks gives him one during the Cell Game
Cell: 1 Senzu Bean When:Cell Saga: Goku give him one to make the fight mor even between Cell and Gohan
Videl: 1 Senzu Bean When:Buu Saga: Gohan gives her one after she gets nearly killed by Suppo bitchi in a Tenkachi Budoukai