TV HIGHLIGHTS

Restaurant: Impossible, 8 PM on FOOD;

3 AM on FOOD: In the new episode “Legacy on the Line,” host Robert Irvine travels to Shreveport, La., to meet Mavice, the proprietor of Eddie’s, her father’s legacy restaurant. The eatery has been justly celebrated in the past for its stuffed shrimp, but now that dish — and, indeed, the restaurant itself — just aren’t what they used to be. Irvine quickly discerns that Mavice’s stubborn refusal to adapt to changing tastes is taking a toll on the food, her business’s finances and her family, which relies on Eddie’s for their livelihood.

MasterChef, 9 PM on Ch. 19:

The stakes have never been higher than in the season finale to this latest “Junior Edition” of this culinary competition series. The two young finalists compete for the richest grand prize package in the show’s history: $100,000 in brand new kitchen appliances and a trip to Las Vegas to enjoy a fabulous dinner with host Gordon Ramsay at his celebrated restaurant. With their families in the audience to cheer them on, the finalists prepare an entree and dessert. Judges Daphne Oz and Aarón Sánchez join Ramsay on the panel.

No Demo Reno, 9 PM on HGTV; 12 AM on HGTV:

Well known for her wildly popular Instagram account, home renovation expert and designer Jenn Todryk returns for her sophomore season of showing home owners how to achieve a full transformation of their living spaces without resorting to extensive demolition work. In the first of these 10 new episodes, Todryk gives a large family a kitchen and living area makeover that suits everyone’s needs, and completes a serene main bedroom retreat with a home office for a couple with six children.