Waning ... or a hint to what is found by circling all the T's in the completed puzzle

Question:

Length:

Similar Crossword Questions:

Tip, and a hint to this puzzle's theme found in five answers
Reservoir, and hint to puzzle theme found in seven long answers
Postseason gridiron game, and a hint to the puzzle theme found in starred answers
Historic symbol whose shape can be found hidden in this completed puzzle
"The wart stops here" product, and a hint to the theme found in eight puzzle answers
Street sign ... or a hint to this puzzle's theme
Bob Dylan song ... or a hint to the object found by connecting the four circled letters in a diamond
Common refrain that's a hint to this puzzle's theme
Blood-typing letters, and a hint to the "transfusions" in this puzzle
"Figure head" found in this puzzle's longest answers
Marketing ploy, and a hint to this puzzle's theme
How long it takes to get something back (and a hint to this puzzle's theme)
Famous last words (and homophonically, a hint to this puzzle's theme)
Regret some stupidity ... with a hint to this puzzle's theme
Exhibit found in this puzzle's four longest answers
Third baseman's domain, and a hint to this puzzle's theme
It ends with something found four times in this puzzle
This puzzle's theme found in the answers to five asterisked clues
A synonym for it can be found inside this puzzle's four longest entries
Subject of the Final Jeopardy! question that knocked out Ken Jennings after a record 74 wins ... or a hint to this puzzle's theme
Ralph Kramden catchphrase on old TV ... and a hint to this puzzle's theme
Environmental slogan, or a hint to this puzzle's theme answers
"We're on to you!" (and a hint to how this puzzle's other four longest answers were created)
Grp. that battles consumer fraud ... or a hint to some much-repeated letters in this puzzle
1996 Robin Williams film, and a hint to this puzzle's theme