 On the ice planet Hoth, he appears to instruct Luke to go to the planet Dagobah to find the exiled Jedi Master Yoda (Frank Oz).Despite Yoda's skepticism, Obi-Wan convinces his old master to continue Luke's training.Obi-Wan appears later to beseech Luke not to leave Dagobah to try to rescue his friends on Cloud City, although Luke ignores this advice.