internal static void AddEpisodeToWatchlist(TraktShowSummary show, TraktEpisodeSummary episode)
{
var watchlistEpisodes = (_WatchListEpisodes ?? new List<TraktEpisodeWatchList>()).ToList();
watchlistEpisodes.Add(new TraktEpisodeWatchList
{
ListedAt = DateTime.UtcNow.ToISO8601(),
Show = show,
Episode = episode
});
_WatchListEpisodes = watchlistEpisodes;
}