New Extended Dark Knight Trailer July 1, 2008 The (final?) Dark Knight trailer! It seems ‘The Dark Knight’ marketing continues on, this time care of Domino’s Pizza. At the DominosVault.com website , once you get past the lengthy “vault-cracking” process, you can watch an extended trailer of the film with brand new unseen footage. For those wishing to skip the vault- cracking, you can check out the trailer below! ‘The Dark Knight’ is in Irish cinemas July 25th.