Big fight, and clue to this puzzle's theme that begins the four longest answers

Question:

Answer:

BOUT

Length:

Similar Crossword Questions:

HBO's "Inside the __" (and hidden theme in this puzzle's four longest answers)
Letter that begins and ends this puzzle's six longest answers
Clue for this puzzle's four longest answers
Newsstand buy, for shortÂ—one begins each of the four longest puzzle answers (and also ends the last one)
Clue for the four longest answers in this puzzle
"Dog the Bounty Hunter" network, and a hint to the theme in this puzzle's four longest answers
Each of this puzzle's four longest answers begins with one
Theme of this puzzle hidden in the seven other longest across answers
Agent "embedded" in this puzzle's theme answers
Number of protons by which the elements in the four longest puzzle answers have been enhanced
Like the theme answers in this puzzle?
Stone that's "cut" in this puzzle's four longest answers
Resort hidden in the five longest puzzle answers
Last letter in most plurals (but not in this puzzle's six longest answers, which are the only plurals in this grid)
Action hero's garb, and what each first word in this puzzle's four longest answers is
Comic that comes to an end on October 3rd, and whose catchphrase ends this puzzle's theme answers
Dream found in this puzzle's seven longest answers
Synonym for the first words of this puzzle's four longest answers
Classic rap outfit whose more famous members are circled in this puzzle's theme answers
Nanobot's hypothetical ability, and the process that's overtaken this puzzle's theme answers
It's zero in free-fallÂ—and, put another way, a hint to how the four longest puzzle answers were formed
A good one follows the starts of the four longest puzzle answers
Peak that's hidden in the four longest puzzle answers
Govern, or word that can follow the first word of the four longest puzzle answers
Word that can precede the first word of the six longest puzzle answers