| Tube-top kin | 12 |
| Tube-shaped structure | 21 |
| Tube-shaped pasta | 17 |
| Tube-nosed seabird | 18 |
| Tube-nosed birds | 16 |
| Tube-lighting input | 19 |
| Tube, to Brits | 14 |
| Tube, so to speak | 17 |
| Tube, over here | 15 |
| Tube's inner diameter | 25 |
| Tube with charged atoms? | 24 |
| Tube with a prominent arch | 26 |
| Tube watcher's food holder | 30 |
| Tube warning ... or an apt title for this puzzle? | 49 |
| Tube used to transfer liquid | 28 |
| Tube used to keep an artery open | 32 |
| Tube used by a chef | 19 |
| Tube type | 9 |
| Tube tuber? | 11 |
| Tube trophy | 11 |
| Tube trophies | 13 |
| Tube travelers? | 15 |
| Tube tops | 9 |
| Tube top? | 9 |
| Tube top honors | 15 |
| Tube top alternative | 20 |
| Tube top | 8 |
| Tube that may be light-emitting | 31 |
| Tube test? | 10 |
| Tube teaser | 11 |
| Tube spots | 10 |
| Tube spot | 9 |
| Tube sensation | 14 |
| Tube rider, e.g. | 16 |
| Tube rating | 11 |
| Tube prize | 10 |
| Tube plug | 9 |
| Tube patron | 11 |
| Tube pasta | 10 |
| Tube output | 11 |
| Tube or ear precursor | 21 |
| Tube or case | 12 |
| Tube on a welding tool | 22 |
| Tube oldie, "The ___ Kid" | 35 |
| Tube nomination | 15 |
| Tube lover's punishment | 27 |
| Tube lineup | 11 |
| Tube light | 10 |
| Tube knob: Abbr. | 16 |
| Tube invented in 1905 | 21 |
| Tube invented in 1904 | 21 |
| Tube interference | 17 |
| Tube inits. | 11 |
| Tube in the den | 15 |
| Tube in a lab | 13 |
| Tube host Tom et al. | 20 |
| Tube holder | 11 |
| Tube gas | 8 |
| Tube fund-raiser | 16 |
| Tube for transferring liquid | 28 |
| Tube for shipping | 17 |
| Tube for having a float | 23 |
| Tube for dispensing eye medication | 34 |
| Tube for body fluid | 19 |
| Tube figure | 11 |
| Tube favorite | 13 |
| Tube fan | 8 |
| Tube diameter | 13 |
| Tube commercials | 16 |
| Tube commercial | 15 |
| Tube awards | 11 |
| Tube at a sports bar, briefly | 29 |
| Tube amp will have one | 22 |
| Tube alternative | 16 |
| Tube addict's punishment | 28 |
| Tube addict's dining surface | 32 |
| Tube | 4 |
| Tubby's friend, Little ___ | 30 |
| Tubby tubs? | 11 |
| Tubby tub | 9 |
| Tubby the Tuba creator Paul | 27 |
| Tubby tabbies? | 14 |
| Tubby sound | 11 |
| Tubby ones | 10 |
| Tubby little cubby of kid lit | 29 |
| Tubby leader? | 13 |
| Tubby comic and Pulitzer Prize author | 37 |
| Tubby and then some | 19 |
| Tubby "What's Happening!!" character | 50 |
| Tubby | 5 |
| Tubbed trio | 11 |
| Tubb, "The Texas Troubadour" | 38 |
| Tubb with the Texas Troubadors | 30 |
| Tubb the Texas Troubador | 24 |
| Tubb of country music | 21 |
| Tubas | 5 |
| Tuba's toot | 15 |
| Tuba's role, maybe | 22 |
| Tuba's output | 17 |
| Tuba's opening sound? | 25 |