"The objects kind of popped up," Simpson said. "We had two to choose from, one we didn't know anything about."
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To find out if they made it to round two, tune in.
One of the biggest obstacles isn't the pick itself but getting past the judges.
Unlike Mike Wolfe from "American Pickers" who likes things with a little rust, the Merrill brothers believe condition is key, a sticking point sometimes to the contestants.
"Those guys are real nitpicky about condition," Unger said.
Unger said it was stressful and they flew in and out pretty quick, but he said they had fun.
"It was truly a fun, good experience," Simpson said.
For those thinking of picking again Simpson had two tips: first, to study as much as you can before you go out, and second, "know what you're picking."
Want to watch?
"Picked Off" airs at 10 p.m. Wednesday, Aug. 8 on the History Channel. Check your TV listings for additional showings.