5 down
Doctor
Who
saves
50,500
in
pit?
(6)
Doctor Who saves 50,500 in pit? (6)
hints
0
checks
0
hints
The definition is at the end of the clue.
How the clue works
The wordplay treats Doctor as an anagram indicator acting on "Who" to give HOW. Then "saves" tells us to put 50,500 — read as 50, 50, 0, giving Roman numerals LL plus O — inside, slotting LLO between the O and W of HOW to make HO-LLO-W, a pit.