We have three different levels for TV YouTube videos: series, seasons and episodes.
Episode clips, trailers, teasers and featurettes are added on an episodic level. For example, a promo teaser for episode 4x04 of Breaking Bad should be added here.
Season trailers, teasers, featurettes and opening credits are added on a seasonal level. A promo teaser for the third season of Breaking Bad should be added here.
Promo trailers and teasers for an upcoming series are added on a series level. The opening credits of the first season can also be added on a series level. Please do not add spoilery videos (e.g. a season 2 trailer). The YouTube videos added on a series level appear on the main page the series and will be seen by people who haven't yet watched the series.