i agree with what lindagood said. Letting babies watch tv too much is not a good thing. Research has showed that babies won;t be interested in reading or doing something rather static if they get used to watch TV, which is something dynamic.
However, i still let my baby watch TV sometime or let her watch your baby can read. But like Lindagood, i just let her watch it whenever i have time, or whenever i don't have time. I really think that providing too much chance to let babies face TV will do harm to their concentration in studies in the future.