WATCH: Emotional Family Reunions for the Final Four

Just when the final-four rivals — Ana, Damiano, Jernard and Tregaye — expected it least, members of their families shocked them by walking into the kitchen during the Mentor Challenge.

Finalist Jernard Wells during the Mentor Challenge, Every Day is a Food Holiday, as seen on Food Network Star, Season 12.

Photo by: Patrick Wymore ©2016, Television Food Network, G.P. All Rights Reserved.

Patrick Wymore, 2016, Television Food Network, G.P. All Rights Reserved.

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Emotional Family Reunions 02:51

Each contestant is surprised by a special guest during a live demo.

Remember the unexpected twists that came in Week 4's hotel challenge when VIP guests Jesse Tyler Ferguson and Hannah Hart made special meal requests? Or the shock in Week 5 when Robert Irvine stole 10 minutes from the finalists' prep time? Or the curve ball in Week 7 when competitors had to use frozen ingredients for a baking challenge? All of these unforeseen obstacles were ultimately learning moments for the Food Network Star finalists, but that doesn't mean they were any less tricky (or frustrating) to contend with. On Sunday night's new episode, mentors Bobby Flay and Giada De Laurentiis once again gave the contestants a game-changing surprise, but this one was far happier and more welcome than the others.

Just when the final-four rivals — Ana, Damiano, Jernard and Tregaye — expected it least, members of their families shocked them by walking into the kitchen during the Mentor Challenge, ready to be their guests for the live stream challenge. Tears, laughs, big hugs and downright disbelief abounded when the contestants saw their surprise guests — for Ana, her daughter; for Damiano, his brother; for Jernard, his wife; and for Tregaye, her husband — and realized what was going on. It had been a whopping 10 weeks since the competitors had seen their families, so it was no surprise that emotions were running high on set.

Click the play button on the video above to watch the reunions unfold, and browse these photos to see more top moments from the episode.

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