Subject of the Final Jeopardy! question that knocked out Ken Jennings after a record 74 wins ... or a hint to this puzzle's theme

Question:

Answer:

HARBLOCK

Length:

Similar Crossword Questions:

"That's final!" (and a hint to this puzzle's theme)
Final attempt to hook up among college students ... or a hint to this puzzle's theme
Question that follows "O Brother" in film ... and a hint to this puzzle's theme
Bettor's question, and a hint to this puzzle's theme
Like some swords ... or a hint to this puzzle's theme
''Let it go!'' (and hint to this puzzle's theme)
Aliases, and a hint to the puzzle's theme
Cry in Metropolis while pointing ... and a hint to this puzzle's theme
Threesome ... or a hint to this puzzle's theme
Tic-tac-toe line ... and a hint to this puzzle's theme
2014 NBC comedy starring David Walton ... and a hint to the puzzle theme which is ___
"Something's fishy," and a hint to this puzzle's theme
Cozy inn whose abbreviation is a hint to this puzzle's theme
"Dog the Bounty Hunter" network, and a hint to the theme in this puzzle's four longest answers
Nine-to-five routine, and hint to this puzzle's theme
1969 #3 hit ... and a hint to this puzzle's theme
"CÃ³mo ___?" (with a hint to this puzzle's theme)
Classic name in retail clothing ... or a hint to this puzzle's theme
Partially obscured (and a hint to this puzzle's theme)
"Finger lickin' good" sloganeer, and a hint to this puzzle's theme
Valedictorian's pride, and a hint to this puzzle's theme
Break, briefly ... or a hint to this puzzle's theme
Something to do on Arbor Day (and a hint to this puzzle's theme)
Do a tricky surfing maneuver (and a hint to this puzzle's theme)
Mall map phrase, and a homophonic hint to this puzzle's theme