John Stamos is taking a walk down memory lane. As WandaVision comes to an end, he posted a photo with Elizabeth Olsen on the set of Full House and wrote, “They grow up so fast.”

FINALLY. This is the WandaVision and Full House crossover we’ve been waiting for all along.

Ahead of the finale of the Disney+ show on Friday, March 5, our favorite TV uncle John Stamos shared an adorable behind-the-scenes photo of his tiny Olsen co-star from his Full House days.

No, it wasn’t Mary-Kate nor Ashley Olsen, but their younger sister, Elizabeth Olsen, that made an appearance in his more than 25-year-old throwback pic.

On Thursday, March 4, John posted a picture of himself hugging Elizabeth, who was likely 6 years old at the time, on the set of Full House. The original series starred her big sisters as Michelle Tanner, but Elizabeth made a special appearance as “Girl with Flowers” in a 1995 episode and has said she often hung out on set.

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