Relations:
Studios(name, website,  address)
Series(title, creator, website, startDate, endDate)
Episodes(episodeTitle, seriesTitle, seriesCreator, airDate, season, qualityRating, description, multimediaURL)
Characters(name, seriesTitle, seriesCreator, titleOrRole)
Actors(name, website)
Produces(studioName, studioWebsite, seriesTitle, seriesCreator)
Starring(seriesTitle,  seriesCreator, actorName)
PlaysA(actorName, characterName, seriesTitle, seriesCreator)
Featuring(characterName, episodeTitle, seriesTitle, seriesCreator)

Functional Dependencies:
studioName, studioWebsite -> studioAddress
seriesTitle, seriesCreator -> seriesWebsite, seriesStartDate, seriesEndDate
episodeTitle, seriesTitle, seriesCreator -> episodeAirDate,  episodeSeason, episodeQualityRating, episodeDescription, episodeMultimediaURL
characterName, seriesTitle, seriesCreator -> characterTitleOrRole
actorName -> actorWebsite

All of my relations are in 4NF.