The creators of the series "The Four Seasons" have discussed the casting of David Tennant, with some outlets reporting he will join the show for season 2, while others indicate he will be part of season 3. The role of David Tennant and its implications for the series are being explained by the show's creators, with some focusing on the season 2 ending and its cliffhanger. The show has been renewed for a third season, with Netflix confirming the renewal and David Tennant's involvement.