First Aired: Oct. 11, 2010 on ABC
Summary: Castle and Beckett look into the murder of a young mathematician gunned down with a 200-year-old bullet, sparking some wild theories by Castle about a time-travelling killer. When their investigation uncovers a tricked-out DeLorean and a suspect in Victorian clothing, is it possible…
Main Characters in this Episode
- Goof (continuity error): The Delorean has a license plate shown of LFM 26W1. When the detective calls in for a tow, he starts giving the license plate as "JLD" before he is cut off.
- The first-run airing closes with a modified version of Stephen J. Cannell 's production logo (Cannell typing on his typewriter, then pulling out the page; it flutters down to a stack of papers which curl into a series of concentric C's). Here, the words "Mentor, Colleague, Friend" have been added, and the pulled page now flutters out of frame, leaving "We'll miss you, pal" on the screen. Cannell passed away earlier that month.