Pretty Little Liars: Aria, Emily, Hanna and Spencer (Lucy Hale, Shay Mitchell, Ashley Benson, Troian Bellisario) suspect that "A" might strike again at Jenna's (Tammin Sursok) extravagant birthday party, especially when they learn that Garrett (Yani Gellman) is getting a pass from jail that night to visit his mother in the hospital in this new episode (8 and 10 p.m. ABC Family).
Destination Truth: Josh Gates and his team return with two new episodes. Up first they visit Vietnam to search of Bigfoot (8 p.m. Syfy). At 9, they return to Romania and visit South America.
Trust Us With Your Life: Think of this new comedy series as "Whose Line Is It Anyway?" meets "This Is Your Life." Celebrities share stories from their lives that are then acted out by an improv troupe that includes Colin Mochrie and Wayne Brady. First up: tennis star Serena Williams. Fred Willard hosts (9 p.m. ABC). Jack and Kelly Osbourne are guests in a second episode at 9:30.
Frontline: The new episode "AIDS in Black America" explores one of the country's most urgent, preventable health crises (9 p.m. KOCE).
Mysteries at the Museum: Don inspects a uniform worn by a highly unorthodox doctor, examines an antique bell linked to a monstrous creature known as the Red Ghost, and investigates a massive stone monolith on the season finale (9 p.m. Travel).
NY Med: For this eight-episode documentary series, ABC cameras had a year of unprecedented access to the world-class Columbia and Weill Cornell hospitals, the crown jewels of the prestigious New York-Presbyterian medical centers. Among the staff members featured is Dr. Mehmet Oz (10 p.m. ABC).
Franklin & Bash: Peter and Jared (Mark-Paul Gosselaar, Breckin Meyer) are working on a case in which a former chop-shop worker is accused of a premeditated attack. Malcolm McDowell also stars in this new episode (10 p.m. TNT).
Covert Affairs: The series returns for Season 3 after Annie's (Piper Perabo) mission in Stockholm turned deadly (10 p.m. USA).
MLB All-Star Game: (4:30 p.m. Fox).
Tour de France: Stage 10 — High Mountains (5 a.m. NBCSP).