1.这歌节目他演的好: It means he did really a great a gob on his performance. So the audience saw his performance and said this sentence to compliment on his great job.
2.他演的好这个节目: It means he can do well on hes coming performance. So he hasnt had the performance yet. Usually we will say this sentence to the people who are going to give a performance on stage in order to encourage them, and to cheer them up :)