| Action needed to spot the four fliers in the theme answers |
| Common campus transportation |
| Activity suggested by this puzzle's theme entries |
| Partially obscured (and a hint to this puzzle's theme) |
| Common barn roof |
| Common bridal flower |
| Commonwealth in Boston, e.g.: Abbr. |
| Common woman? |
| Commonwealth Day month |
| Lone Ranger's theme composer |
| Common sites for Christmas lights |
| Bodybuilder's theme song? |
| Most common of the noble gases |
| Common injury location |
| Common" sickness |
| Asleep ... or a hint to this puzzle's theme |
| Alternative words used as alternatives for each other in this puzzle's theme answers |
| African American mathemetician who purportedly surveyed the District of Columbia |
| Common name of the tympanic membrane, located in the head |
| Common catalyst |
| Contract extras, and read differently, a hint to this puzzle's theme |
| Common computer typeface |
| Behave!" ... and a hint to this puzzle's theme |
| Alternative theme song to "Cosmos"? (the Beastie Boys) |
| According to the '60s sitcom's theme song: "It's primitive as can be ... here on ___": 2 wds. |
| An oh, what ___ we'll hit!" (lyric from Bugs Bunny's theme song) |
| New father's task, maybe ... and what the three other longest puzzle answers have in common? |
| Amazon tablet (Yeah, I probably should have included this as part of the theme, but I couldn't come up with a suitable answer.Sue me.) |
| Common birds, in puzzles |
| Creepy pencil-and-paper "game" popularized in 2015 via YouTube and Twitter (and basis of the theme answers) |