What to Watch: The TVLine-Up for Friday

On TV this Friday: Shark Tank breaks a sweat, The Finder looks for a meal, Grimm goes on a shocking double date, In Plain Sight (finally) surfaces big daddy issues and more. As a supplement to TVLine’s original features (linked within), here are seven programs to keep on your radar.

Save the Dates: April’s Big Premieres and Finales!

8 pm Shark Tank (ABC) | Just when you thought the product pitches couldn’t get any more bizarre, a medical student serves up T-shirts that generate sweat-activated motivational messages, while a Texan inventor turns trash into (literal? proverbial?) gold.

8 pm The Finder (Fox) | To save a marriage, Walter must track down a special anniversary meal by finding the shuttered eatery’s chef before the mob does; Willa gets thrown back in jail after getting into a fight with a girl who’s impersonating her.

Fringe Preview: Walter Is Drug ‘Tested’ En Route to the Other Side, ‘Meana’ Warns Fauxlivia

9 pm ACM Presents: Lionel Richie and Friends In Concert (CBS) | Richie is joined on stage by an all-star line-up of country performers including Rascal Flatts, Lady Antebellum, Kenny Rogers and Tim McGraw. Also watch for a duet with daughter Nicole.

9 pm Grimm (NBC) | Nick is shocked when Hank brings Adalind on their double date; Monroe and Rosalee are called into action when two important lives hang in the balance.

9 pm Fairly Legal (USA) | When Kate decides to help a client who’s unable to pay his mortgage because of a drug dealer tenant, Ben jumps in upon discovering the dealer’s lawyer is his friend-turned-rival (Let’s Stay Together‘s RonReaco Lee).

Exclusive: Fringe Stars Talk Finale (‘We Shot Two Endings’), Drop Clue About Season 5 Storyline

10 pm In Plain Sight (USA) | Marshall gets “dragged” into an undercover sting operation; Cougar Town‘s Josh Hopkins shows up as a single dad who tries to woo Mary; Terra Nova‘s Stephen Lang debuts as Jim Shannon aka Mary’s long-MIA father. (Get scoop here!)

10 pm Magic City (Starz) | Ike faces the disappearance of Mike Strauss while DA Klein attacks organized crime through Ike’s law student son; Evans’ affair with Lily Diamond heats up.

Which of the above is must-see for you? Also, hit Comments to offer your own tune-in suggestions.