Highlights 6/28 to 7/4

Nature at 7 p.m. Sunday explores the world of cephalopods (squid and octopus) as viewers follow a cameraman into the abyss and share his adventures with the planet’s most cryptic and clever monsters.

David Suchet returns to his signature role as suave Belgian supersleuth Hercule Poirot in a new mystery based on the novels by Agatha Christie on Masterpiece Mystery! at 8 p.m. Sunday.

American Masters at 9:30 p.m. Sunday offers a reflection on Tony Bennett’s life and featuring interviews with director Arthur Penn, Harry Belafonte and Clint Eastwood.

History Detectives
at 8 p.m. Monday returns with a new season of everyday mysteries. In this episode the detectives look at whether a woman’s father worked for the Manahattan Project and a collection of love poems.

Make ‘Em Laugh
at 9 p.m. Monday looks a the business of humor in America. This episode, “Breadwinners and Homemakers.” focuses on domestic farce.

Pioneers of Television
at 10 p.m. Monday tells the stories of the late night pioneers Steve Allen, Jack Paar and Johnny Carson.

Nova at 7 p.m. Tuesday investigates the extraordinary impact music can have on the human brain, through the case studies from neurologist Dr. Oliver Sacks’ latest book Musicophilia.

Breakthroughs in the engineering of artificial diamonds; the science that went into solving the deadly post – 9/11 anthrax attacks, “AutoTune,” the controversial computer pitch-correction software and more on Nova ScienceNow at 8 p.m. Tuesday.

P.O.V. at 9 p.m. Tuesday features “Beyond Hatred” dealing with the aftermath of the murder and the victim’s family’s struggle to transcend hatred and the inevitable desire for revenge.

The Territory
at 10:30 p.m. Tuesday showcases new directions in film and video. These films offer a provocative mix of experimental, documentary, narrative, and animated shorts that allows the audience to take TV trips around the world and to major U.S. media festivals.

American Masters
at 7 p.m. Wednesday profiles NPR personality Garrison Keillor.

Get a sneak preview of Ken Burns new film National Parks, which airs in September, at 8:30 p.m. Wednesday.

Wide Angle at 9 p.m. Wednesday tells the dramatic story of refugees feeling North Korea into China.

Reunited after 12 years, New Zealand favorite Crowded House makes its first television appearance since the mid-90s on Austin City Limits at 10 p.m. Wednesday and 9 p.m. Friday.

Golfer Tom Kite discusses his career with Evan Smith on Texas Monthly Talks at 7 p.m. Thursday.

Celebrate the Fourth of July with A Capitol Fourth at 7 p.m. Saturday featuring Barry Manilow, Aretha Franklin, Michael Feinstein and the Muppets from Sesame Street.