| Original Beatle Sutcliffe | 25 |
| Original Beatle bassist Sutcliffe | 33 |
| Original Arizonan | 17 |
| Original Anglican assistant priest? | 35 |
| Original amendments count | 25 |
| Original airer of "The Jetsons" | 41 |
| Original airer of "Doctor Who" | 40 |
| Original "What's My Line?" host John | 50 |
| Original "Wagon Train" network | 40 |
| Original "Veronica Mars" airer | 40 |
| Original "True Grit" star | 35 |
| Original "Star Trek" studio | 37 |
| Original "Star Trek" role | 35 |
| Original "Star Trek" helmsman | 39 |
| Original "Star Trek" actress | 38 |
| Original "Star Trek" actor | 36 |
| Original "Spy vs. Spy" cartoonist Prohias | 51 |
| Original "SNL" cast member Radner | 43 |
| Original "SNL" cast member Newman | 43 |
| Original "SNL" cast member | 36 |
| Original "Schoolhouse Rock!" fans, informally | 55 |
| Original "Saturday Night Live" star Gilda | 51 |
| Original "S.N.L." cast member | 39 |
| Original "Playboy" | 28 |
| Original "People's Court" judge | 45 |
| Original "Ocean's Eleven" star | 44 |
| Original "Monty Python" airer | 39 |
| Original "Life on Mars" channel | 41 |
| Original "King Kong" studio | 37 |
| Original "King Kong" character Carl, to be reprised by Jack Black in a 2005 remake | 92 |
| Original "Jeopardy" host on the ocean? | 48 |
| Original "I Love Lucy" airer | 38 |
| Original "How to Boil Water" host on the Food Network, familiarly | 75 |
| Original "Dragnet" words after "My name is Friday" | 70 |
| Original "Bonanza" airer | 34 |
| Original "60 Minutes" correspondent | 45 |
| Original "60 Minutes" co-host Harry | 45 |
| Original 'Trivial Pursuit' edition | 42 |
| Original ''Star Trek'' studio | 45 |
| Original ''SNL'' cast member | 44 |
| Original | 8 |
| Origin: Abbr. | 13 |
| Origin, as of an idea | 21 |
| Origin suffix | 13 |
| Origin of the word "troll" | 36 |
| Origin of the word "cheetah" | 38 |
| Origin of the word "behemoth" | 39 |
| Origin of the universe, perhaps | 31 |
| Origin of the phrase "Beware of Greeks bearing gifts" | 63 |
| Origin of the Louvre's Venus | 32 |
| Origin of the Euphrates | 23 |
| Origin of some salami | 21 |
| Origin of some GIs' flashbacks | 34 |
| Origin of some 1930s migrants | 29 |
| Origin of many drafts | 21 |
| Origin of man | 13 |
| Origin of Daniel Boone's cap | 32 |
| Origin of an egg-shaped spaceship | 33 |
| Origin of all things, in Judaism | 32 |
| Origin of a stream: Abbr. | 25 |
| Origin of a phoenix | 19 |
| Origin of a large terrier | 25 |
| Origin of a fictional falcon | 28 |
| Origin of a drive | 17 |
| Origin of a defect | 18 |
| Origin of a certain condiment | 29 |
| Origin of a 1965 march | 22 |
| Origin of "stoical" | 29 |
| Origin of "Jeopardy!" contestant Watson | 49 |
| Origin of The Jane Wyman Show | 32 |
| Origin enders | 13 |
| Origin | 6 |
| Origami? | 8 |
| Origami, e.g. | 13 |
| Origami tablet? | 15 |
| Origami supply | 14 |
| Origami subjects | 16 |
| Origami step | 12 |
| Origami staples | 15 |
| Origami staple | 14 |
| Origami project | 15 |
| Origami output, sometimes | 25 |
| Origami need | 12 |
| Origami mistake? | 16 |
| Origami mishaps | 15 |
| Origami material | 16 |
| Origami hobbyist, e.g. | 22 |
| Origami figure | 14 |
| Origami feature | 15 |
| Origami design | 14 |
| Origami creature, sometimes | 27 |
| Origami creations | 17 |
| Origami creation | 16 |
| Origami bird | 12 |
| Orig. texts | 11 |
| Orig. copies | 12 |
| Orig. | 5 |
| Orifices | 8 |
| Orifice | 7 |
| Orients a certain way | 21 |