They hug one more time, but viewers aren't certain if Viall remembers their rendezvous. Even Sandoz says she is unsure.

\"So that made me feel like he doesn't know who I am ... and I kind of like that,\" she says in the preview. \"I like a little mystery. I kind of want to see how the night plays out and I can't wait to refresh his memory a little bit.\"

Viewers will have to wait to find out if Viall remembers Sandoz tonight when \"The Bachelor\" premieres at 8 p.m. ET.

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