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There is no Next Episode of Twin Peaks planned.
Cooper and company find the mysterious petroglyph. Windom Earle befriends a rock and roll youth, and tells him tales of places called the White and Black Lodge. Pete helps Catherine open the first puzzle box. Lana wants Milford to rig Miss Twin Peaks. Annie and Cooper go for a nature walk. Cooper finds the poem Earle sent to the girls. He tells Harry it's a poem he once gave to Caroline. Major Briggs agrees to look into Earle's Project Bluebook work. Cooper deduces Leo Johnson is working with Earle. Shelly, Lucy, Donna, Nadine, Lana and Audrey enter Miss Twin Peaks. Mike tells Bobby about Nadine's special bedroom talents. Cole says goodbye to Shelly. Donna wants to know what is going on between her mom and Ben Horne. Treymayne hosts a wine tasting party. Windom Earle leaves his next victim and a terrifying promise for Cooper: "Next time, it will be someone you know."
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. Donna discovers pictures of her mom and Ben Horne. Wheeler is called away on an emergency. Leo worries about Shelly. Doc Hayward tells Ben to stay away from Eileen. Townsfolk have strange tremors in their hands. Pete has a vision of Josie. Windom Earle takes Major Briggs captive. Andrew and Catherine open the next box, only to find another one inside. A drugged Briggs tells Earle how to open the lodge doorway. Big Ed is able to break up with Nadine and ask Norma to marry him. Audrey and Pete chase after Wheeler…Audrey and Wheeler make love before he leaves. Cooper takes Annie dancing, and convinces her to run for Miss Twin Peaks. The Giant visits Cooper with a warning. Windom Earle discovers the cave painting is a map. BOB reappears.
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 to each other. Catherine and Andrew find a mysterious key. Donna confronts Ben Horne. The Miss Twin Peaks contest ends in chaos. Windom Earle kidnaps Annie. Andy deciphers the Owl Cave puzzle.
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 while Audrey stages her act of civil disobedience. Dr. Hayward and Ben Horne have a final confrontation. Shelly and Bobby plan their future. Dr. Jacoby and Mrs. Palmer have a message for Major Briggs. Cooper faces his destiny in the Black Lodge.