On June 7, 2018, Cook signed a one-year contract extension with Nes Ziona. On December 9, 2018, Cook recorded 24 points, shooting 5-of-8 from three-point range, including a game-winning three-point shot with 2.9 seconds left to give Nes Ziona an 83–81 win over Maccabi Tel Aviv. He was subsequently named Israeli League Round 9 MVP. On April 7, 2019, Cook recorded a season-high 30 points, shooting 7-of-11 from three-point range, along with three assists, leading Nes Ziona to a 97–84 win over Hapoel Holon. He was subsequently named Israeli League Round 25 MVP.