TOP PICK: ‘Numb3rs‘ (10pm ET on CBS)
After Charlie and Amita get married and begin preparations for their London adventure, they put a slight hold on their wedded bliss when they assist the team in helping Don track down the whereabouts of his gun after it goes missing in the sixth season (and possibly series) finale.
KEY EPISODE: ‘Supernanny‘ (9pm ET on ABC)
She’s crisscrossed America, including Alaska and Hawaii, in her six seasons as the voice of reason for parents worldwide. Now Supernanny Jo Frost revisits some of her most memorable families in celebration of her 100th episode to find out how they’re doing today in the season finale.
WATCH: ‘Who Do You Think You Are?‘ (8pm ET on NBC)
Football legend Emmitt Smith is intrigued by a family rumor that his paternal grandmother, Erma Lee Watson, had white ancestry. As he travels deep into rural Alabama to colonial Virginia and beyond on the trail of Ermas great grandmother Mariah, Smith uncovers a story more dramatic than he ever could have imagined.
DVR: ‘Spartacus: Blood And Sand‘ (10pm on Starz)
Batiatus purchases a fresh batch of slaves during an auction to be trained as gladiators and ponders the idea of selling Crixus.
DVR: ‘Kitchen Nightmares‘ (9pm ET on Fox)
Casa Roma, a Lancaster, CA, family-owned Italian eatery, packs in the customers at the bar, but the restaurant stays empty nearly every night. With a clueless kitchen staff, outdated dcor and inexperienced owners, Casa Roma is going to be one tough job for Chef Ramsay. The visit gets off to a bad start when the food for Ramsay’s taste test takes over an hour and he falls asleep in the booth! Will this family get their act together or will Ramsay be forced to take drastic measures?