Long tale (4)
'long tale' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for saga that I've seen before include "Heroic narrative" , "Long heroic tale" , "Old story" , "long series of events" , "Lengthy tale" .)
'long tale' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for epic that I've seen before include "Heroic, huge" , "great film" , "Film or book on a grand scale" , "Confirm the truth of" , "eg The Iliad" .)