They never show Gohan and Videl kiss, but at the end of the movie 'Fusion Reborn' it is implied by Goten and Trunks that they saw them kissing when they were spying on them, though it was offscreen.
As for the proposal, it too isn't ever shown. It happens some time after Episode 288 and before Episode 289 (along with the Marriage and Pans birth). Since the movie 'Yo! Son Goku and His Friends Return!!' is in year 776 and Pan is likely conceived in 778 (born in 779) it is to be assumed to have happened at some time in that 3 year span.
Gohan never admits that he loves Videl, but it is shown when he turns Super Saiyan when witnessing Videl being beaten up by Spopovitch. Videl, though, basically admits it in season 9. Dabura says that he believes he's in the prescence of true love when Videl talked about Gohan
they dont
In Episode:226 Global Announcement when Goku tells everyone that Majin Buu killed Vegeta and Gohan she admits that she loves Gohan.
I'm not remember but all I know is Gohan marry Videl after Majin Buu saga
In the Dragon Ball Z series, Videl finds out that Gohan is "dead" during the episode titled "The World Tournament." This occurs during the Majin Buu Saga, specifically in Episode 210. Videl is devastated upon hearing the news, not realizing that Gohan is actually alive and in hiding to protect his loved ones.
Gohan doesn't train Videl in DBGT.
Gohan never admits that he loves Videl, but it is shown when he turns Super Saiyan when witnessing Videl being beaten up by Spopovitch. Videl, though, basically admits it in season 9. Dabura says that he believes he's in the prescence of true love when Videl talked about Gohan
they dont
In Episode:226 Global Announcement when Goku tells everyone that Majin Buu killed Vegeta and Gohan she admits that she loves Gohan.
I'm not remember but all I know is Gohan marry Videl after Majin Buu saga
In the Dragon Ball Z series, Videl finds out that Gohan is "dead" during the episode titled "The World Tournament." This occurs during the Majin Buu Saga, specifically in Episode 210. Videl is devastated upon hearing the news, not realizing that Gohan is actually alive and in hiding to protect his loved ones.
Gohan and Videl kiss in a movie, not episode. IN FUsion Reborn (Funimation dub only) Trunks and Goten tease them, but they dont show the kiss.
They actually met in high school in the episode '' Gohan goes to high school ''
They never actually get married in Dragon Ball Z. In Dragon ball GT, you can tell they are married because for one they say it and two they have a daughter, PAN.
Gohan is pan's father Gohan is father, Videl is mother.
The name of Gohan and Videl's daughter is Pan.
Gohan teaches her during The Great Saiyaman Saga.