Two games later, on September 29, McMichael earned his first career OHL point, an assist on a goal by Isaac Nurse in a 2–0 win over the Mississauga Steelheads.

On December 17, McMichael scored a goal and an assist for his first career multi-point game in a 5–2 win over the Peterborough Petes.

On March 22, McMichael played in his first career OHL playoff game, and he had no points in a 5–4 loss to the Owen Sound Attack.

One week later, on December 7, McMichael recorded his first career four point game, scoring two goals and adding two assists in an 8–1 win over the Kingston Frontenacs.

On April 7, McMichael had his first career multi-point game in the post-season, earning two assists in a 7–0 victory against the Guelph Storm.

On July 1, 2024, McMichael signed a two-year contract extension with the Capitals, carrying an average annual value of $2.1 million.