| Ignited |
LIT |
| In medias ___ (Letters 1-2 here + letters 6-5 of 32-Across) |
RES |
| Klondike treat |
BAR |
| Like most hard cheeses |
AGED |
| Lions and lynxes |
FELINES |
| Meow source |
CAT |
| Michael of "Juno" |
CERA |
| Miner matter? |
ORE |
| Mobile message |
TEXT |
| Mosque leader |
IMAM |
| MS Word file |
DOC |
| Not surface-level |
DEEP |
| Otherwise |
ELSE |
| Pacifist Yoko |
ONO |
| Papas' partners, perhaps |
MAMAS |
| Philly transit system that anagrams to "tapes" |
SEPTA |
| Points of no return? |
ACES |
| Preacher's stand |
LECTERN |
| Registered for classes |
ENROLLED |
| Reproductive tech |
IVF |
| Ringo's son |
ZAK |
| Roughly |
ORSO |
| Run away to marry |
ELOPE |
| Salt-N-___ |
PEPA |
| Seattle MLB player |
MARINER |
| Sets of points |
LOCI |
| SoCal paper (Letters 5-6 here + letters 4-3 of 53-Across) |
LATIMES |
| Spot for Santa photos |
MALL |
| Sprint |
DASH |
| Storied temple? |
PAGODA |
| Telepath's "talent" |
ESP |
| Tempeh or tofu (Letters 2-3 here + letters 3-2 of 50-Across) |
PROTEIN |
| Test in a tube |
MRI |
| Tiptoes |
CREEPS |
| Urban unit, or a theme hint |
CITYBLOCK |
| Urgent need |
EXIGENCY |
| Watson's co |
IBM |
| ___ Jim (Note letters 2-3 of this answer + letters 3-2 of 14-Across) |
SLIM |
| ___-mo |
SLO |