Mindless television, like The Hulk? (8)
I believe the answer is:
thickset
'like the hulk?' is the definition.
(the Hulk is a muscular superhero)
'mindless television' is the wordplay.
'mindless' becomes 'thick' (both can mean stupid).
'television' becomes 'set' (I've seen this in other clues).
'thick'+'set'='THICKSET'
(Other definitions for thickset that I've seen before include "Compact" , "sturdy" , "Strapping" , "Concentrated" , "Heavily built" .)