Timmy's dog
I believe the answer is:
lassie
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">timmy's dog</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for lassie that I've seen before include "girl found" , "Girl from Scotland and dog from film" , "''Will ye go ..., go'' (folksong)" , "Canine film star" , "Collie featuring in many films" .)