| Heat measurements, for short |
BTUS |
| In one piece |
UNDAMAGED |
| Internet explorer? |
USER |
| It fires electrodes |
TASER |
| Japanese buckwheat noodle |
SOBA |
| Jimmy Kimmel's cousin who makes frequent appearances on his show |
SAL |
| Link's 'Good Mythical Morning' partner |
RHETT |
| Lion in the Narnia books |
ASLAN |
| Modern urban vehicles whose brand names have been parked in the middle of the three theme entries |
ESCOOTERS |
| Monsieur de Bergerac |
CYRANO |
| Morsel at the bottom of a fast-food bag |
FRY |
| Native Trinidadian, maybe |
CARIB |
| No longer fooled by |
ONTO |
| One-named Sao Paulo-born athlete |
PELE |
| Order on an order |
ASAP |
| Over again |
ANEW |
| Part of 61-Down |
UNIT |
| Photog Goldin |
NAN |
| Piercing cry |
SHRIEK |
| Place for avians to thrive (with something parked in the middle) |
SANCBIRDTUARIES |
| Portrayer of Ned on 'Game of Thrones' |
SEAN |
| Prefix for gram or Pot |
INSTA |
| Quiz option |
TRUE |
| Reconfigure a hard drive |
FORMAT |
| Rowan Atkinson character (or a clue for 28-Across) |
MRBEAN |
| Royal ball |
ORB |
| Shaw of the Big Band Era |
ARTIE |
| Show starter? |
ACTI |
| Star of the BBC's 'Luther' |
IDRISELBA |
| Sudoku grid line |
ROW |
| Supreme Court Justice Kagan |
ELENA |
| Tack on |
ADD |
| Totally cool |
RAD |
| Tutorial opener, maybe |
LETSBEGIN |
| Western law enforcement group |
POSSE |
| What a QB tries to gain |
YDS |
| Word after bad or Dad |
JOKE |
| Word inevitably used in a stereotypical Canadian impersonation |
SORRY |
| ___ Lisa |
MONA |