In the 2018 Modern Family episode " In Your Head ," Phil and Gloria track down a missing Luke, while Haley tries to land a job with a lifestyle brand creator. Haley's efforts lead her to meet Alex's professor, Arvin Fennerman, sparking a new romantic storyline. You can find more information about this episode and the series on the Modern Family Wiki or IMDb . "Modern Family" In Your Head (TV Episode 2018) - IMDb