What highway to heaven episode had the Kenny rogers song in it called through the years?

The "Highway to Heaven" episode featuring Kenny Rogers' song "Through the Years" is titled "Thoroughly Modern Millie," which is the 24th episode of the first season. In this episode, Jonathan and Mark help a young woman named Millie who is trying to make a life for herself in the 1980s while also dealing with her past. The emotional themes of the episode complement the song's message about enduring love and memories.