8 p.m. on 2 9, “The Middle’’ — Sue (Eden Sher) discovers the reason she has to wear an embarrassing chicken head with her school mascot costume instead of the official head: Axl (Charlie McDermott) stole it. Of course, you know this means war — prank war, to be exact. A lonely Dr. Goodwin (Jack McBrayer) tries to make friends with Frankie (Patricia Heaton), who isn’t wild about socializing with him after hours. Neil Flynn and Atticus Shaffer also star in “War of the Hecks.’’

8 p.m. on FOOD, “Restaurant Takeover’’ — Chef Adam Hynam-Smith and designer Amanda Campbell try to give a Southern barbecue restaurant a much-needed makeover in this new episode. The menu, featuring roadkill, has nowhere to go but up, and the same goes for the kitschy decor. The hardest part might be convincing the eccentric owner how much change is required in “Hillbilly Heaven.’’

9 p.m. on 2 9, “Modern Family’’ — When Pam (Dana Powell), Cameron’s (Eric Stonestreet) older sister, pays a visit, he tries to keep his engagement to Mitchell (Jesse Tyler Ferguson) under wraps until he can break it to her gently, then he discovers she has big news of her own. Phil and Claire (Ty Burrell, Julie Bowen) decide to miss one of Luke’s (Nolan Gould) volleyball games, but guilt gets the better of them. Ed O’Neill also stars in “Farm Strong,’’ the series’ 100th episode.

9 p.m. on TRAV, “Toy Hunter’’ — Three words: “mint in box.’’ Condition is everything when it comes to vintage toys, and Jordan has a record high sales goal of $45,000 in mind as he prepares for New York Comic-Con. He has a lead on the original 12 “Star Wars’’ action figures that could be worth tens of thousands if — and that’s a big if — they’re in the right condition in the new episode “$25,000 Toys Ahoy!’’

10:31 p.m. on A&E, “Wahlburgers’’ — Paul takes the day off to play golf with Mark, leaving Alma in charge of the day shift at the family’s second restaurant, Alma Nove. She takes full advantage of the opportunity to make some changes she’s wanted without her son’s interference. On the golf course, Paul and Mark talk business and engage in the customary busting of each other’s chops in the new episode “Sibling Rivalry.’’