Pokémon the Series
This long-running anime follows trainers Ash (and later Liko and Roy) journeying with their Pokémon through friendship, battles, and adventure across 26+ seasons. This report covers the whole series: the baseline is cheerful and kid-friendly, but certain arcs and early episodes step up in intensity beyond what the day-to-day episodes deliver.
Comfortable for most kids 6 and up; sensitive 5-year-olds may find a handful of battle-heavy or ghost-themed episodes a bit much.
Episodes to know about
Ash and Pikachu have their spirits temporarily separated from their bodies by a Haunter in Lavender Town's Pokémon Tower; the visuals of lifeless bodies are brief but distinctive.
The Sabrina arc features a psychic gym leader with powers to shrink people, ghostly imagery, and an unsettling atmosphere that stands out from the show's usual lighthearted tone.
This episode is permanently banned worldwide and unavailable on streaming; it is listed here for awareness only, as its rapid red-and-blue flashes caused seizures and led to changes across the whole series.