The Doctor's mobile emitter was introduced in Star Trek: Voyager season 3's "Future's End" two-parter. It allowed Picardo's holographic character far more autonomy than ever before, allowing him ...

In a series of notes from 1993, published in Star Trek Voyager: A Vision of the Future, Jeri Taylor pointed out that "the new, state-of-the art technology [of the Holo-Doctor] [had] capitalized on ...