"The Amazing Race: Unfinished Business" to wrap up in Miami

(CBS) It's been a season of second chances, and now redemption is near for one lucky team as "The Amazing Race: Unfinished Business" comes down to a race to the final finish line this weekend.

Sunday's two-hour finale will have the remaining four teams, who all have competed in past seasons and lost, race through Brazil and on to Miami in pursuit of the $1 million prize.

Pictures: "The Amazing Race: Unfinished Business"

The teams vying for the winner's crown are Harlem Globetrotters "Flight Time" and "Big Easy;" father and daughter Gary and Mallory; best friends Zev and Justin; and sisters Kisha and Jen.

While Gary and Mallory and Zev and Justin are both considered sentimental favorites, the sisters and the Harlem Globetrotters  both tend to do well in physical challenges.

Who do you think will cross the finish line first? Take our poll and explain your answer in the comments below. And don't forget to come back here to see who won.