The Black Lodge
10 episodes of Twin Peaks carry this thread, 11h in all — 10 of them are in The Essentials.
Arc membership is derived from each episode's own title and summary text. It shows where a thread is foregrounded, not every episode it touches.
In airing order
Cooper meets with Audrey, who confesses to leaving him the note about One Eyed Jack's. Cooper tells Truman he can't remember who the killer was in his dream, but insists the dream is a code to solving the crime.
Cooper and company have tea with the Log Lady, who tells them there was a third man following after Leo and Jacques the night Laura died. At Jacques Renault's cabin Cooper, Hawk, and Truman find Waldo the bird
A wounded Agent Cooper has a vision of a giant who gives him several clues about the murder of Laura Palmer. Shelly and Pete recover from the mill fire, but Josie and Catherine are missing
James saves the girls from a tormented Harold. Cooper brings Audrey home. Bobby and Shelly learn that their insurance plans have backfired. Donna tries to convince Truman that Harold Smith has Laura's secret diary
Cooper and company find the mysterious petroglyph. Windom Earle befriends a rock 'n' roll youth, and tells him tales of places called the White and Black Lodge. Pete helps Catherine open the first puzzle box.
Bobby and Shelly reaffirm their love. Cooper calls Shelly, Donna and Audrey together to warn them about Earle. Briggs shows Cooper a tape of Windom Earle making a report on his quest for the Black Lodge.
Windom Earle sets his sites on the Miss Twin Peaks contest. Lucy chooses a father for her baby. Leo is punished when he frees Major Briggs. Cooper unlocks the key to entering the Black Lodge. Annie and Dale make a commitment.
Agent Cooper follows Windom Earle and Annie into the depths of the Black Lodge. Big Ed and Norma get a shock when Nadine suffers head trauma. Andrew and Pete unlock Eckhardt's final box and Audrey stages an act of civil disobedience.
…brings back some memories.
We are like the dreamer.