<P> The Doctor later acquired a mobile holographic emitter from the 29th century . Although he had previously been confined to Sickbay or the Holodeck , the mobile emitter allowed The Doctor to move about freely , making him ideal for missions where the environment would be harmful or otherwise fatal to the crew . In one notable incident , when an away team was trapped on a radioactive planet , The Doctor was able to infiltrate the people and almost single - handedly rescue the team because , as he pointed out , being a hologram renders him immune to the radiation , stating that `` being a hologram does have its advantages . '' </P>
<P> The Doctor later acquired a mobile holographic emitter from the 29th century . Although he had previously been confined to Sickbay or the Holodeck , the mobile emitter allowed The Doctor to move about freely , making him ideal for missions where the environment would be harmful or otherwise fatal to the crew . In one notable incident , when an away team was trapped on a radioactive planet , The Doctor was able to infiltrate the people and almost single - handedly rescue the team because , as he pointed out , being a hologram renders him immune to the radiation , stating that `` being a hologram does have its advantages . '' </P>
where did the doctor get his mobile emitter
where did the doctor get his mobile emitter
the 29th century
the 29th century