Det finns en laddarspår för sonic i TARDIS-konsolen.
Åtminstone i de elfte och tolfte doktorns TARDIS.
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I 2013 års julspecial "Doktorns tid" (betoning min):
DOCTOR: A question only I could answer. A truth field to make sure I'm not lying. If I give my name, they'll know they've found the right place and that it's safe to come through.
CLARA: The Time Lords? Okay, so what then? If you answer the question and they come back, what happens?
(The Doctor gives Clara a short round device.)
DOCTOR: Er, you need to take this to the Tardis and put it in the charger slot for the sonic.
CLARA: Why?
DOCTOR: Hell. All hell, that's what happens if the Time Lords come back. There's half a universe up there already, waiting to open fire. Now please, go to the Tardis and just do as I say.
(Clara runs.) -
Och i Serie 9-finalen "Hell Bent" ser vi sonicen materialisera i laddningsplatsen innan han flyger in i doktorns hand: