What To Watch: Hawaii Five-0 Finale, Grace And Frankie Begins And More

On TV this Friday: Hawaii Five-0 goes nuclear, Disney Channel springs some new pups, Rogelio De La Vega stops by Whose Line and Netflix showcases a fourth-quarterlife crisis. Here are 10 programs to keep on your radar:

Showtimes for May 8, 2015

12:00 AM ET

Grace and Frankie

Netflix

Series premiere (all 13 episodes): Grace (Jane Fonda, The Newsroom) and Frankie (Lily Tomlin, Web Therapy) are flabbergasted when their husbands (The West Wing's Martin Sheen and Newsroom's Sam Waterston) announce they're leaving them for each other.

8:00 PM ET

The Amazing Race

CBS

The Peruvian race is on as the four remaining teams compete for a spot in the season finale (oh, and that measly $1 million prize).

Dog With a Blog

Disney Channel

Stan experiences a glut of emotions after learning Princess is pregnant. He better monetize that blog if he's ever gonna provide for those pups! (See photos.)

Grimm

NBC

Wu's life comes under threat as Nick and Hank track a vicious serial killer; Juliette contemplates revenge alongside a new ally. (Watch sneak peek.)

Shark Tank

ABC

Synthetic human cadavers, a personalized superhero action-figure business and a sunscreen misting device are among this week's pitches.

Whose Line Is It Anyway?

The CW

Jaime Camil has already proven his superb comic timing as Jane the Virgin's Rogelio. Now he'll bring that energy to Whose Line's non-elevated stage!

9:00 PM ET

Hawaii Five-0

CBS

Two episodes: First up, Danny's ex-wife reveals a life-changing secret. Then in the 10 pm season finale, the team tracks a nuclear bomb on the eve of Adam and Kono's wedding. Also, Catherine returns! (Not yet renewed.)

Meet the Smiths

TBS

Season 1 finale: Kevin and Gwen attempt to keep the romance alive while dealing with their five kids. (Not yet renewed.)

The Messengers