Grace and Frankie Dive Into the Shark Tank for Season Six

The Netflix comedy Grace and Frankie returns with thirteen new episodes today. The show has already been renewed for a seventh and final season next year, which will give the series the highest episode count of any original show in Netflix's library. Also today: a new series from Ron Howard and Brian Grazer, fresh episodes of The Circle, a documentary on Aaron Hernandez, and the return of several network favorites. Here's what's new and noteworthy on TV this Wednesday:  

SEASON PREMIERE: Jane Fonda and Lily Tomlin return for Season 6 of Grace and Frankie. The penultimate season of Netflix's beloved comedy finds Grace (Jane Fonda) adjusting to life as a newlywed, even as she and Frankie (Lily Tomlin) hatch a scheme that eventually finds them pitching an idea to the investors on Shark Tank. Watch the preview. Streaming on Netflix

SERIES PREMIERE: From executive producers Ron Howard and Brian Grazer comes 68 Whiskey. Our Aaron Barnhart writes that this new series about an Army medical team stationed in Afghanistan feels like a spiritual successor to M*A*S*H. 10:00 PM ET on Paramount

NEW EPISODES: What is it that makes Netflix's new reality series The Circle so curiously compelling? That's the question Primetimer's Joe Reid attempts to answer today, just as the so-called social experiment drops its the final batch of Season 1 episodes.Streaming on Netflix

SEASON PREMIERE: It's not every series that can kill off its lead character and live to see another season, but The Magicians isn't every series. Season five kicks off with... sandwiches and stargazing? Watch the preview. 10:00 PM ET on Syfy

DOCUSERIES PREMIERE: The 3-part limited series Killer Inside: The Mind of Aaron Hernandez explores the case of the former New England Patriots star who went from NFL legend to convicted murdered before dying in prison at age 27. Watch the preview. Streaming on Netflix

SERIES PREMIERE: Naturalist Steve Backshall  takes viewers to places humans have never visited in Expedition With Steve Backshall. The 10-episode series kicks off with an expedition into an unexplored canyon. Watch the preview. 10:00 PM ET on PBS

NEW EPISODE: Returning from a month-long break, The Goldbergs celebrate Murray's (Jeff Garlin) 50th birthday for a second time after learning he's younger than they originally thought. 8:00 PM ET ABC

ALSO TODAY

• S.W.A.T. reports for duty with Street (Alex Russell) balancing his law enforcement dutes with his commitments to his foster brother Nate (Cory Hardrict). 10:00 PM ET on CBS
• Nancy Drew finds evidence linking a recent poisoning to a cold case involving a serial killer. 9:00 PM ET on The CW
• Schooled is back, and Ronnie (Christian Gehring) is following his boy band dreams. 8:30 PM ET on ABC
• In Pursuit with John Walsh returns for its second season. Walsh and his son Callahan host this series which aims to catch fugitives and locate missing children. 10:00 PM ET on ID

Mike Attebery is Senior Editor at Primetimer and the author of seven mystery thrillers. Follow him on Twitter at @mikeattebery.