| 'Dad' co-star Hawke | 27 |
| ___ Allen (furniture company) | 29 |
| __ Allen furniture stores | 25 |
| Green Mountain Boys leader | 26 |
| Fort Ticonderoga capturer | 25 |
| Component of natural gas | 24 |
| Colorless, odorless gas | 23 |
| Natural gas constituent | 23 |
| Gas in crude petroleum | 22 |
| Constituent of natural gas | 26 |
| Second-simplest hydrocarbon | 27 |
| Refrigerant ingredient | 22 |
| Natural gas ingredient | 22 |
| Hydrocarbon with two carbons | 28 |
| Crude petroleum component | 25 |
| Colorless, odorless alkane | 26 |
| By-product of oil refining | 26 |
| Hand sanitizer ingredient | 25 |
| Tractor powerer, maybe | 22 |
| Thermometer filler, at times | 28 |
| Product of yeast fermentation | 29 |
| It gives punch to punch | 23 |
| It gives kirsch its kick | 24 |
| Environmental summit topic | 26 |
| Colorless, flammable liquid | 27 |
| Actors Hawke and Suplee | 23 |
| Actors Suplee and Hawke | 23 |
| Lucy's best friend | 22 |
| Lucy's sitcom neighbor | 26 |
| Neighbor of Lucy and Ricky | 26 |
| Lucy Ricardo's pal | 22 |
| Barrymore family member | 23 |
| Sister of John and Lionel | 25 |
| Lucy's TV accomplice | 24 |
| Lucy's partner in hijinks | 29 |
| Lucy Ricardo's friend | 25 |
| Landlady of classic TV | 22 |
| Cohan's first wife | 22 |
| Co-landlord of classic TV | 25 |
| "I Love Lucy" role | 28 |
| Waters seen on Broadway | 23 |
| Stage actress Barrymore | 23 |
| Sister-in-law of Jackie | 23 |
| Oscar winner Barrymore | 22 |
| Mrs. Robert F. Kennedy | 22 |
| Merman of Broadway fame | 23 |
| Lucy's good friend | 22 |
| Lucy and Ricky's landlady | 29 |
| Late blues singer Waters | 24 |
| Cotton Club performer Waters | 28 |
| '50s sitcom neighbor | 24 |
| Actress tends to her garden | 27 |
| Actress in "Pinky" | 28 |
| Gas used as an anesthetic | 25 |
| Hydrocarbon found in coal gas | 29 |
| Emission of ripening fruit | 26 |
| Upper regions of space | 22 |
| It'll knock you out | 23 |
| Astronaut's milieu | 22 |
| Once-popular anesthetic | 23 |
| Standard anesthetic, once | 25 |
| Old operating room substance | 28 |
| Inhalation anesthetic, once | 27 |
| Preoperative delivery of old | 28 |
| Old operating-room substance | 28 |
| It's a real knockout | 24 |
| Who "In the ___" | 26 |
| Upper reaches of space | 22 |
| This could put you under | 24 |
| Solvent for resins and fats | 27 |
| Preparation for drilling? | 25 |
| Preoperative delivery, once | 27 |
| Outer regions of space | 22 |
| Onetime dental anesthetic | 25 |
| One-time labratory solvent | 26 |
| One on it may be out of it | 26 |
| Old-fashioned anesthetic | 24 |
| Old hospital administration | 27 |
| Number no longer used? | 22 |
| Nitrous oxide predecessor | 25 |
| It put people to sleep, once | 28 |
| It could knock you out | 22 |
| It can knock people out | 23 |
| Inhaled anesthetic of old | 25 |
| Inhalation anesthetic of old | 28 |
| Fifth element, per Aristotle | 28 |
| Fifth classical element | 23 |
| Dr. Morton's anesthetic | 27 |
| Dentist's supply, once | 26 |
| Dental anesthetic of old | 24 |
| Chloroform's predecessor | 28 |
| Chloroform's cousin | 23 |
| Air or heavens, to a poet | 25 |
| Surgeon's order of old | 26 |
| Put out, in the old days | 24 |
| Anesthetist's question? | 27 |
| They can knock you out | 22 |
| They'll knock you out | 25 |
| Highly flammable liquids | 24 |
| Set of moral principles | 23 |