The highly anticipated meeting between the titular Mother and Robin is set to happen on the next episode of How I Met Your Mother.

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In what is set to be the last new episode before the March 31 series finale, fans will finally see Ted's (Josh Radnor) past and future loves together in the same room, for the first time.

In fact, the Mother (Cristin Milioti) will give Robin (Cobie Smulders) advice after she gets cold feet and nearly runs away from her wedding to Barney (Neil Patrick Harris).

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"Sometimes, even three deep breaths can change everything," she said to Robin in a preview clip for the episode, titled The End of the Aisle.

Before Season 9 premiered, show co-creators Carter Bay and Craig Thomas revealed that all the other central characters would meet the Mother before Ted. Lily (Alyson Hannigan) met the mother during the season premiere episode and Marshall (Jason Segel), met her as he arrived at the Farhampton Inn for Robin and Barney's wedding. Barney was revealed to have met her in a flashback to before he proposed to Robin.

Back in January, Bays and Thomas also teased that when Robin met the Mother, it would be a potentially life-changing moment.

"It happens late in the season, and there's definite significance," Thomas said to TV Line at the time.

Bays added, "It's going to be a bruising weekend for everybody. A lot goes down."

Because Robin will be meeting the Mother in this episode, that means the Mother and Ted will not officially meet until the Series Finale.

How I Met Your Mother airs Mondays at 8 p.m. on CBS.