TMDb/The Other Bennet Sister TV Discover Mary Bennet's untold story in The Other Bennet Sister, a new BritBox series celebrating Austen's 250th anniversary. Trailer now out. April 21, 2026 AceShowbiz - Jane Austen enthusiasts have an exciting year ahead as 2026 marks the 250th anniversary of the beloved author's birth. Celebrating this milestone, the studio behind acclaimed series like His Dark Materials and Doctor Who, Bad Wolf, has released the first official trailer for an eagerly awaited adaptation titled The Other Bennet Sister.