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Sean Lowe, The Bachelor

Kevin Foley/ABC

Uh-oh, someone is playing favorites!

The Bachelor season 17 is off to the races, and the competition to win Sean Lowes heart is heating up. But does he already have a favorite lady? "I have a surprise for Sarah," Sean says in our exclusive sneak peek from Monday's all-new episode, "and I cannot wait to see her face!"

So what's his surprise for Sarah? Watch our exclusive clip to find out. (Warning: Dog lovers may want to break out the tissues now!)

It's Leo, Sarah's beloved dog!

Hilariously enough, the dog is brought to Sarah in a limo, which she first thinks is pulling up because Sean is sending her home. "You can't do this to me!" she cries. Fortunately, it's just Leo, whom Sean adorably greets with a "Hey buddy!"

"I've never felt so special, so cared for in my entire life," Sarah, the advertising executive from Los Angeles, gushes.

The Bachelor airs Monday at 8 p.m. on ABC.

Do you think Sarah, who was the one of the only girls to get a one-on-one date with Sean last week, is the favorite to win this season? Sound off in the comments!