Time to feature any of the three theme answers?

Question:

Length:

Similar Crossword Questions:

Brief time (found in all four theme answers)
Weather Channel feature (it's the puzzle theme found in a quintet of answers)
Feature of this puzzle's theme answers?
Typical number of theme answers in a crossword
HBO's "Inside the __" (and hidden theme in this puzzle's four longest answers)
Announcement/event of September 2011, or what happened to the theme answers
Write in any of this puzzle's eight theme answers?
Title of a crossword with theme answers like OVERHAND KNOT, BUTTERFLY EFFECT, and CRAWL SPACE
Struck out, as one letter in each of this puzzle's theme answers
Some film credits, and the idea behind the eight theme answers in this puzzle
Compound found in perfume and this puzzle's theme answers
Classic ad line, and question you need to answer to find the hidden theme in four starred answers
Choice words swapped in this puzzle's theme answers
Word before the first word in this puzzle's theme answers
One who can be patched together from the letters added to the theme answers
Reservoir, and hint to puzzle theme found in seven long answers
"Something you would cheat on if you knew you wouldn't get caught." "___" (also, the source of this puzzle's theme answers)
Cyclops feature found at the center of the three longest answers
Out of whack, or what's featured in each of this puzzle's theme answers
Devices that, when turned, adjust themselves (just like the theme answers)
Hypothetical feature of the space-time continuum
Event where the number 12 is important, and a feature of 12 two-word answers in this puzzle
"Home work" letters that appear at both ends of this puzzle's theme answers
What one must have to solve this puzzle's theme answers
Internet interjection found in two theme answers