The Thomas Talking Railway Thomas is part of The Talking Railway Series which brings the world of Thomas & Friends to life like never before. With its built-in engine recognition technology, each Talking Railway Series vehicle activates personalized greetings from Sir Topham Hatt himself at Talking Railway Series destinations. Hear Sir Topham Hatt recognize the engines by name..."Rosie, you are right on time!" and "Hello, Percy" or "Thomas, you must stop at the red signal." The more Talking Railway engines you add, the more interactive your world becomes!