If we've learnt one thing about shapeshifters over the years, it's to keep a close eye on the dog! Whereas Odo used a canine disguise so he could arrest Quark no matter the century, Geordi's phoney ...

These Delta Quadrant curiosities could arguably be better described as shape-takers, not shape-shifters. In any case, duplicating a person so perfectly, down to individual memories of Indiana and ...