Gibbs' alias Leland Robert Spears was first introduced in Season 12 episode 16 "Blast From The Past".
Tobias Jelinek, the actor who portrays Bodie Whitman, had his first movie role as one of the bullies in Hocus Pocus. One of Sean Murray's more notable film roles is Thackery Binx in said movie.
Airs as episode 13 on Netflix, with Willoughby airing as episode 12