Where To Stream Pokémon Season 5 Episode 48

Ash and friends return to New Bark Town, but before Ash is able to register for the Johto League Championship, Professor Elm sends him on an errand to retrieve a Pokémon egg from a nearby marine Pokémon laboratory. At the laboratory, Ash and friends meet up with a young researcher who uses the supersonic waves from a Lanturn to detect the singing voices of traveling Lapras.