As far as I know, never. He meets Lance at episode 237 and 238, but he battles him in the hoenn league gaining groudon after all the kyogre and groudon problems are solved and team aqua and magma retreat and then ash and lance battle on the beach Lance's Poke'mon:Red Gyarados Lv.? Dragonite Lv.? Ash's Poke'mon:Pikachu Lv.? Sceptile Lv.? Hopethis helped :D
episode 24
Ash has never kissed May in any Pokémon episode. There's a rumor that he kissed her in a banned episode, but it was false.
Ash's Grotle evolved into Torterra in the episode that's titled "The Fleeing Tower of Sunyshore."
maybe not they barely talk and she likes ash
Ash's Grotle evolved into Torterra in "The Fleeing Tower of Sunyshore!", episode 166 of the Diamond and Pearl series and episode 632 overall.
ash does not face lance at all
ash uses torkal at the battle pyrimad in episode 461
Ash battled Norman in the episode "Balance of Power."
Ash battles Richie in episode 81: Friend and Foe Alike.
episode 24
The Semi Final Frontier
Ash battles Erika in the episode that's titled "Pokémon Scent-sation." It is Episode 26 in Season 1 according to the U.S. Episode Count.
Ash leaves Hoenn (Battle Frontier) in episode 468: Home Is Where The Start Is and arrives in Sinnoh in episode 469: Following A Maiden Voyage.
Ash had a double battle against Suwama in the Best Wishes episode number 077, 'Evolution by fire!'.
Diamond and Pearl Battle Dimension episode Tanks for the Memories episode 525
It is called "When Pokémon Worlds Collide!""
The Pokémon episode in which Ash's Charizard battles Articuno is "The Symbol Life" and its overall episode number is Episode 413.