The third season of the CBS action-adventure series MacGyver premiered on September 28, 2018 for the 2018–19 television season. The series centers on the fictional Phoenix Foundation which is a covert organization masquerading as a think tank. The series stars Lucas Till, George Eads, Tristin Mays, and Justin Hires. Eads departed in "". CBS announced the series on April 28, 2018 for a twenty-two episode third season. The season premiere, "", brought in 5.77 million viewers.