The show embarks on its next race around the world in January.

The CBS series' new season airs in January.

Taylor Green-Jones (38) and Isaiah Green-Jones (31), YouTube sensations from Portland, Ore.

Contestants from Season 33 of the CBS series THE AMAZING RACE

The new contestants for ‘The Amazing Race’ season 33.Sonja Flemming/CBS

The two-hour season premiere ofThe Amazing Raceseason 33 airs Wednesday, Jan. 5, at 8 p.m. ET/PT.

Akbar Cook and Sheri Cook of the CBS series THE AMAZING RACE

Akbar Cook and Sheri Cook.Sonja Flemming/CBS

Anthony Sadler and Spencer Stone of the CBS series THE AMAZING RACE

Anthony Sadler and Spencer Stone.Sonja Flemming/CBS

Arun Kumar and Natalia Kumar of the CBS series THE AMAZING RACE

Arun Kumar and Natalia Kumar.Sonja Flemming/CBS

Caro Viehweg and Ray Gantt of the CBS series THE AMAZING RACE

Caro Viehweg and Ray Gantt.Sonja Flemming/CBS

Connie Greiner and Sam Greiner of the CBS series THE AMAZING RACE

Connie Greiner and Sam Greiner.Sonja Flemming/CBS

Kim Holderness and Penn Holderness of the CBS series THE AMAZING RACE

Kim Holderness and Penn Holderness.Sonja Flemming/CBS

Lulu Gonzalez and Lala Gonzalez of the CBS series THE AMAZING RACE

Lulu Gonzalez and Lala Gonzalez.Sonja Flemming/CBS

Michael Norwood and Moe Badger of the CBS series THE AMAZING RACE

Michael Norwood and Moe Badger.Sonja Flemming/CBS

Raquel Moore and Cayla Platt of the CBS series THE AMAZING RACE

Raquel Moore and Cayla Platt.Sonja Flemming/CBS

Ryan Ferguson and Dusty Harris of the CBS series THE AMAZING RACE

Ryan Ferguson and Dusty Harris.Sonja Flemming/CBS

Taylor Green-Jones and Isaiah Green-Jones of the CBS series THE AMAZING RACE

Taylor Green-Jones and Isaiah Green-Jones.Sonja Flemming/CBS