Following this, Series 2 of "The Sarah Jane Adventures" (2008) sees Luke part ways with Maria when she moves to America in "The Last Sontaran", and befriend investigative new girl Rani Chandra (Anjli Mohindra) who comes to discover the extraterrestrial activities that he, Clyde and his mother are involved with in "The Day of the Clown". In the Series 2 serial, "The Temptation of Sarah Jane Smith", Luke meets his grandparents in a time travel plot set up by the Trickster. In Series 3's "The Mad Woman in the Attic" (2009), an alien shows Luke a vision of the future in which he appears to be graduating from university at a young age. He meets the Doctor in person for the first time in "The Wedding of Sarah Jane Smith" and assists him in defeating the Trickster for a third time. Luke is entirely absent from the two-parter "The Eternity Trap" due to Tommy Knight's real-life school exams. In the series finale "The Gift", Luke and Sarah's relationship becomes at times strained by the difficulties of parenting a teenager. Due to infectious alien spores, Luke becomes sick for the first time and nearly dies, spurring Sarah Jane to take up arms against their enemy.