Mermando Returns is the 15th episode of the first season of Dipper & Mabel's Adventures Chronicles.
Mermando returns to Gravity Falls and Mabel can't wait to see him again. But she is completely shocked to find that he has started a relationship with Melody, leaving Mabel to do something about it with help from her friends. Meanwhile, Dipper and Twilight must find Journal 3 when it goes missing. And also, Rarity helps Grunkle Stan improve the shack, but their way of business clash.