July 4: Sunday at 8 p.m., the 30th annual “A Capitol Fourth” celebrates America’s 234th birthday live from the West Lawn of the U.S. Capitol. Reba McEntire, Darius Rucker, David Archuleta, Lang Lang and the National Symphony Orchestra with conductor Jack Eberly provide the music, including the traditional “1812 Overture.” Stunning fireworks captured by 18 HD cameras positioned around Washington, D.C., cap the festivities.

Immediately following, at 9:30, “A Capitol Fourth” encores.

July 5: Monday at 7:30 p.m. on Vermont Public Television’s “Profile,” Fran Stoddard talks with Jonesville, Vt., poets Daniel Lusk and Angela Patten. They weave family history, land and lake into their work. The program will also air Saturday at 4:30 p.m. and Sunday at 1:30 and 11:30 p.m.

At 9 p.m. on “History Detectives,” the sleuths investigate what may be a clip from the first talking picture, among other mysteries. “History Detectives” repeats on VPT World Tuesdays at 9 p.m.

July 6: Tuesday at 8 p.m., “Nova: Missing in MiG Alley” looks at the zone where Russian and American fighters clashed over Korea a half century ago and pilots were shot down.

At 9 p.m., the six-part series “Lost Treasures of the Ancient World” begins in Rome, where the Forum, Coliseum and Pantheon evoke a remarkable people.

At 10 p.m., “Frontline” peers inside the world of cyber-savvy American teens, through the eyes and the teens and their parents, who often find themselves on the opposite side of a digital divide.

July 7: Wednesday at 8 p.m. on “David Suchet on the Orient Express: A Masterpiece Special,” the star of “Poirot” leads a homicide-free excursion aboard the train. It promises glamour, insight, beautiful photography and fascinating stories. Suchet will return as Poirot on July 11.

From 9 to 11:30 p.m., part six of Ken Burns’ landmark series “Baseball” returns. It is one of several episodes from the 1994 series re-airing to whet viewers’ appetites for “The Tenth Inning,” which premieres in September. Today’s episode looks at the 1941 season, one of the most exciting of all time.

July 8: Thursday at 8 p.m., Rep. Peter Welch, D-Vt., will appear live on VPT’s “Report From Washington." Viewers can call to ask him questions during the show or email questions ahead of time to connect@ vpt.org. Mark Johnson will host.

At 9 p.m., the series “Monarchy: The Royal Family at Work” continues. Today’s episode looks inside Buckingham Palace, the nerve center of the British monarchy.

July 9: Friday at 9 p.m., the new weekly PBS series “Need to Know” continues on VPT. It features documentary reports, interviews and more. Alison Stewart and Jon Meacham coanchor. The program also airs Sundays at 9 p.m. on the World Channel.

At 10 p.m., “P.O.V.” presents “Promised Land.” In modernday South Africa, citizens struggle to create just solutions to the country’s “ticking time bomb” -- land disputes still unresolved since the end of apartheid.

July 10: Saturday at 8 p.m. on “To the Manor Born,” Audrey dreads a visit from an old friend who is unaware of her drop in status.

At 10 p.m. on “Austin City Limits,” M. Ward performs songs from “Hold Time.” Okkervil River follows.

At 11 p.m., the new season of “Live From the Artists Den” continues with Tori Amos performing for 100 fans at New York’s Park Avenue Armory.