On Naboo Obi-Wan continues to train Anakin. His powers are increasing. But one day Anakin sees a vision of his mother suffering. From that day on Anakin vows to rescue his mother from Tatooine.
Yoda warns Obi not to go to Tatooine for Anakin may turn to the darkside, but after hearing reports of Mandalorian invasions Obi-Wan has no choice but to save Shmi.
They sucessfully rescue Shmi and return to Naboo.