Feature of this puzzle's theme answers?

Question:

Length:

Similar Crossword Questions:

Weather Channel feature (it's the puzzle theme found in a quintet of answers)
Quarrel ... or a feature of five answers in this puzzle
"Be careful what you say," and a hint to a feature shared by this puzzle's perimeter answers
Theme of this puzzle hidden in the seven other longest across answers
What one gets by multiplying the numbers in this puzzle's theme answers
Choice words swapped in this puzzle's theme answers
Word before the first word in this puzzle's theme answers
Alternative words used as alternatives for each other in this puzzle's theme answers
Rhyme runaway, and how this puzzle's theme answers are formed?
Number of times this puzzle's theme word appears diagonally in the grid (to complete the puzzle, shade those words plus the Down answers that begin where they meet)
Struck out, as one letter in each of this puzzle's theme answers
Time to feature any of the three theme answers?
Wise guys featured in this puzzle's theme answers
What each completed pair of theme answers in this puzzle is
Equipment for each of this puzzle's theme answers
What one must have to solve this puzzle's theme answers
Upright, and what's been removed to form this puzzle's theme answers
Surplus integral to this puzzle's theme answers
What this puzzle's theme answers start with
Classic breakup line, and a hint to the formation of this puzzle's theme answers
Feature of six other long answers in this puzzle
"Something you would cheat on if you knew you wouldn't get caught." "___" (also, the source of this puzzle's theme answers)
Term for each of the 15 asterisked theme answers in this puzzle
Wee hr., and a hint to a feature common to this puzzle's four longest answers
Characters who "haunt" this puzzle's theme answers