'PRETTY LITTLE LIARS': Alison (played by Sasha Pieterse, above) struggles with the death of her mother, as the Liars try to navigate through her new lie. (Eric McCandless/ABC Family)

The one-hour documentary “The March” (MPT and WETA at 8 p.m.) looks back at the 1963 March on Washington with rare archival footage, interviews with participants Rutha Mae Harris and Rep. John Lewis
(D-Ga.), and behind-the-scenes stories like how the Rev. Martin Luther King Jr.’s stirring “I Have a Dream” speech almost didn’t take place.

Alison reels from her mother’s death while the other girls understand her latest act of fraud on “Pretty Little Liars” (ABC Family at 8).

“American Experience: Freedom Summer” (MPT and WETA at 9) recalls the 10-plus weeks in 1964 that became known as Freedom Summer, where more than 700 student volunteers joined with organizers and local African Americans in a historic effort to shatter the foundations of white supremacy in Mississippi, one of the nation’s most segregated states.

SERIES PREMIERE: Famed and feared “Dance Moms” coach Abby Lee Miller heads to Warwick, R.I., to transform a dance studio on the brink of disaster on the series premiere of “Abby’s Studio Rescue” (Lifetime at 9).

RETURNING SHOW: “Covert Affairs” (USA at 10), one of the rare shows that films in Washington, returns for Season 5 with Annie and Auggie considering their future together.

SERIES PREMIERE: Reviewed by TV Critic Hank Stuever on this page, the new drama “Tyrant” (FX at 10) from the producers behind “24” and “Homeland” centers on a California pediatrician who is the son of a Middle Eastern dictator. When he returns to his war-torn nation with his American family for his nephew’s wedding, the group gets wrapped up in political events.

RETURNING SHOW: “Sullivan & Son” (TBS at 10) Season 3 opens with an episode titled “The Big O,” which is about exactly what you think it’s about — when Jason’s pride is tested after he realizes that he has never fully pleased his wife, Susan.

“The Colbert Report” (Comedy Central at 11:30) hosts “Nurse Jackie’s” Edie Falco.

Comedian Louis C.K. comes to “The Tonight Show Starring Jimmy Fallon” (NBC at 11:35) in this repeat episode, in which Neil Young and Jack White record an album live on the show in the second half.

Actresses Melissa McCarthy and Rachelle LeFevre stop by the “Late Show With David Letterman” (CBS at 11:35), along with musical guest Phish.

Comedian Roseanne Barr and actor Eric Dane are on “Jimmy Kimmel Live” (ABC at 11:35), with music from Tech N9ne.

Rachel Lubitz