Thanks, people, for replies.
FYI, there have been 7 seances up to the present Robservations point (ep 604/605).
#1- episode 170-conductor was Dr. Guthrie, w/Vicky Winters (medium- in French), Carolyn S, Roger C,Laura C. participating. Reached was Josette DuPres, who warned of fire.
#2- Episode 186- conductor was Vicky W. at the Old House, w/David C. (medum), & Sam Evans. Reached was David Radcliffe, who died in fire with his mother.
#3- episode 280-281- conductor was Roger C at Old House costume party, w/Vicky W. (medium), Elizabeth S, Carolyn S, Barnabas C, & Burke Devlin. Reached was Josette Collins, who relives her leap off Widows'Hill.
#4- episode 365-frozen in time to ep461, while Vicky was in 1795. Conductors were Roger C & Julia Hoffman w/Vicky (medium), Eliz S, Carolyn S, & Barnabas. Reached was Sarah Collins and causes Vicky and Phyllis Wycke to trade places.
#5- episode 510- Conductor was Prof Stokes, w/Tony Peterson(medium), Julia Hoffman. Old Hse basement, reaches Rev.Trask, who wants revenge on the witch and Barnabas, for his death.
#6- episode 594- the Black Arts seance conducted by Nicholas Blair & Carolyn S to call Danielle Roget and offer the deal for her life-force.
#7- ep 600- conducted by Prof Stokes at Old Hse, w/Barnabas (medium) & Julia H. Reached- Phillippe Cordier, who wants his love, Danielle back.
All in all, there were 26 seances or summonings occurring in the Dark Shadows 1225 episodes.
vampire675, an old nit-picker