4x18 - Highway to Heaven

Jonathan is still angry with God for not letting him go heaven to see Jane one last time. Jonathan becomes human after being dead for 40 years. Jennifer has fallen in love with Jonathan and now must help him understand that he will always have Jane in his heart regardless of the job he chooses. Jennifer suddenly finds a letter from Jane and as a way of saying goodbye to him he understands that until his job is finished they will always have forever.