When a body is found at a sci-fi convention, Castle and Beckett are warped into the heart of fandom -- a world of egotistic celebrities, diehard costumed fans and enough drama for two galaxies.

Starring:

Jon Huertas, Nathan Fillion, Ruben Santiago-Hudson, Seamus Dever, Stana Katic, Susan Sullivan, Tamala Jones

Genre:

Comedy, Drama, Short