"Television en direct" means live television. "En direct" in general means live when referring to television or radio. For example, if a television program is "en direct" from Paris, it is a program broadcast live from Paris.
The more literal meaning of "en direct" is "directly from." "Musique en direct" means live music. "En direct" can also be used in regard to doing something directly. A television, for instance, could be connected "en direct" (directly from) a wall outlet.
Otherwise, something sold "en direct" from a location such as a warehouse means it comes directly from that warehouse. A person could feel something "en direct," which means he feels something deeply or emotionally. "En direct" is also widely used for live online broadcasts.