How I Met Your Father Just Set Up Its First HIMYM-Style Mystery

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Warning: Contains spoilers for How I Met Your Father episode 7.

In How I Met Your Father episode 7, “Rivka Rebel,” the spinoff series sets up its first ongoing mystery (other than the father’s identity) that echoes some of the puzzles from How I Met Your Mother. How I Met Your Father directly reuses the original framing device from How I Met Your Mother with the older version of the main character telling their child a story. However, How I Met Your Father has worked to put a new spin on the elements that it has borrowed from the original.

In How I Met Your Father episode 7, Sophie (Hilary Duff) and Valentina (Francia Raisa) attend a celebrity-filled Bat Mitzva as photographer and assistant where they briefly believe that they have accidentally drugged a group of teenage girls. As Sophie and Valentina have a heart-to-heart about the fact that Valentina has been lying about the nature of her job, Sophie brings up the fact that their friendship is built on the code of never lying to each other and never speaking about what happened on Halloween 2018. The scene cuts forward to 2050 and Sophie’s son tries to ask what happened on Halloween 2018 but Sophie (Kim Cattrall) shuts him down saying “I’ll never tell.”

Related: How I Met Your Father's Narration Fails Sophie In A Way Ted’s Didn’t

The How I Met Your Father reference to Halloween 2018 keeps alive a tradition that helped to keep How I Met Your Mother engaging, and in one question presented a question that some viewers are still asking about almost a decade later. Halloween 2018 sets up an ongoing mystery for How I Met Your Father that can be hinted at throughout the seasons of the TV series. In How I Met Your Mother, Ted accidentally told part of the story of “the goat”