‘Say Yes to The Nest’

Premiere of new series that follows newlyweds on their journey to finding and purchasing their first shared home, revealing dynamics of their relationship as they find their perfect “nest,” 10 p.m. Monday on HGTV.

Also on Monday

“Family Guy 20th Anniversary Marathon,” 10:30 a.m.-10 p.m. (TBS): Creator Seth MacFarlane’s 20 favorite episodes of the animated sitcom.

“The Neighborhood,” 8 p.m. (KIRO): When a curmudgeonly resident who has few fans in the community passes away, the Butlers step up to host a memorial; Calvin learns something unexpected about himself.

“American Idol,” 8 p.m. (KOMO): The season’s first live elimination episode will end with four contestants eliminated from the competition.

“The Resident,” 8 p.m. (KCPQ): Devon is concerned when a mother’s complaints go unaddressed after her delivery; Conrad breaks the news to Nic regarding Jessie’s worsening condition; a mother and son arrive with devastating injuries.

“The Code,” 9 p.m. (KIRO): A Marine is charged with abandoning his post during combat, resulting in the deaths of three soldiers; Lt. Harper Li works to balance her duties to the Corps with planning her wedding.

“Arrow,” 9 p.m. (KSTW): After having her criminal past exposed, Laurel goes on a crime spree as Black Siren; while Dinah aims to bring Laurel in, Felicity refuses to give up on her friend, summoning Sara Lance for help.

“9-1-1,” 9 p.m. (KCPQ): The call center is hit with a systemwide power outage and must go old school to respond to emergencies; the first responders must deal with explosions in multiple homes and a difficult childbirth.

“The Enemy Within,” 10 p.m. (KING): Flashbacks reveal the fateful events that led CIA Deputy Director Erica Shepherd to betray her country and the ensuing investigation that put her on a collision course with Will Keaton.

Madeline McKenzie: mmckenzie@seattletimes.com. Program times may vary depending on your cable provider or service.