★ 6.0
The Challenge: All Stars
2021
Same creator (Mary-Ellis Bunim); both explore competition and reality competition
★ 6.9
The Amazing Race
2001
Both explore competition and reality competition; both reality
★ 5.7
America's Got Talent
2006
Both explore competition and reality competition; both reality
★ 4.9
Big Brother
2000
Both explore competition and reality competition; both reality
★ 7.1
MasterChef
2010
Both explore competition and reality competition; both reality
★ 6.6
MasterChef Junior
2013
Both explore competition and reality competition; both reality