This two-part episode serves as the finale for Tiffany Welles' sole season as an Angel.
Stencil on the pallet of concrete blocks dropped on Tiffany's rented Pinto: ANGELUS BLOCK CO.
Kelly is believed to actually be Margaret Ellen Barrows. Coincidentally, Ellen is Jaclyn Smith's middle name.
Clint Young (Inspector Burton) previously appeared as a different character in season three's Haunted Angels (1978).
Ed Ruffalo (Construction Worker #1) previously appeared as different characters in season three's Angel on My Mind (1978) and Angels in Waiting (1979), and later in season five's Stuntwomen Angels (1981).