The filename indicates this is a digital backup from the early-to-mid 2000s era of internet sharing:
This episode completes Ash's collection of the Kanto starters ( Bulbasaur , Squirtle , and now Charmander) [1].
If you are looking at this specific file, you are likely revisiting one of the most iconic episodes of the original Pokémon series. Episode Details: " Charmander – The Stray Pokémon " Season 1, Episode 11 [1]
This specific Charmander eventually evolves into Ash's Charizard , which becomes his most powerful and recognizable Pokémon after Pikachu [1]. Where to Watch Officially
June 10, 1997 (Japan); September 22, 1998 (USA) [1]