What To Watch: Blue Bloods Finale, Shark Tank Spinoff Debuts And More

On TV this Friday: Blue Bloods defends its family's honor, ABC expands its Shark bait, Grimm confronts a killer copycat and Lost Girl wards off deadly threats. Here are 10 programs to keep on your radar:

Showtimes for May 1, 2015

ET

RoboCop Trilogy Marathon

El Rey Network

Through 4 am | Celebrate #FlashbackFriday with back-to-back airings of the trilogy that introduced us to "the future of law enforcement," in Alex Murphy.

ET

The Amazing Race

CBS

Hayley and Blair's communication issues reach a tipping point as the five remaining teams race to Peru.

Grimm

NBC

Captain Renard is questioned by press regarding a potential Jack the Ripper copycat; Rosalee and Adalind work together to help Juliette's ongoing condition.

Shark Tank

ABC

Singer Pat Boone helps a Virginian entrepreneur pitch a car that runs on compressed air; a fit mother of three pitches a line of snack bars.

ET

Beyond the Tank

ABC

Spinoff premiere: Robert helps the Tipsy Elves CEOs with a branding kerfuffle and Daymond follows up with Al “Bubba” Baker's ribs business.

Hawaii Five-0

CBS

Kono gets caught in dangerous weather while on a solo outrigger trip around the Hawaiian islands. (Get preview from Grace Park.)

The Messengers

The CW

Peter, Joshua and Erin continue their search for the Horsemen of War, while Vera discovers her supernatural ability.

ET

Blue Bloods

CBS

Season 5 finale, Part 2: Danny stops at nothing to track a gangster after a fellow Reagan is shot down.

Lost Girl

Syfy

Lauren deals with a dangerous threat as Tamsin and Bo attempt to keep a target off a Japanese warrior's back.

ET

Vice

HBO

This week, the newsmagazine takes an in-depth look at the struggle to keep looters — and ISIS — away from Egyptian artifacts, and the white man's role in China.

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