At 03:38 -Hollywood cliché #101: torches burn forever.
This episode is based on Goosebumps book #49.
The family's surname is Renfield, named after Dracula's assistant in Bram Stroker's novel, Dracula.
The episode takes place of the eve of the 13th birthdays of twin siblings Freddy and Cara. Quite, coincidentally this episode ended up airing the day before Meredith Henderson's (Cara) own 13th birthday.
CASTLE THUNDER: Heard during the storm.