The Rookie Season 4 Promo Nathan Fillion series The Rookie Season 4 premieres Sunday September 26th on ABC. Show More… 382 Comments Related Videos The Rookie Season 3 Promo (HD) Nathan Fillion series The Rookie Season 2 Trailer (HD) Nathan Fillion series The Rookie Season 2 Promo (HD) Nathan Fillion series The Rookie (ABC) First Look Preview HD – Nathan Fillion series