TV money-raiser (8)
I believe the answer is:
telethon
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">tv money-raiser</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for telethon that I've seen before include "TV broadcast for charity" , "Television event to raise funds for charity" , "TV fundraiser" , "Long charity TV show" , "Lengthy broadcast for charity" .)