(All times Eastern.)
Grown-ish (Freeform at 8) Cal U. goes into lockdown after a shooting involving a drug dealer.
9-1-1 (Fox at 9) Athena looks into a home invasion while Abby helps investigate a caller’s murder.
The Assassination of Gianni Versace: American Crime Story (FX at 10) Andrew Cunanan celebrates his birthday in San Diego.
Glam Masters (Lifetime at 10) Contestants vie in beauty challenges for the chance to compete in the Tournament of Masters finale. Laverne Cox hosts.
Twin Turbos (Discovery at 10) A father-and-son team builds cars and trucks.
VH1 Beauty Bar (VH1 at 10) This new series follows the lives of employees at the House of Dolls salon in Manhattan.
The Looming Tower (Hulu streaming) The rising threats of Osama bin Laden and al-Qaeda that eventually led to the Sept. 11, 2001, terrorist attacks are explored in this miniseries (reviewed by Washington Post TV critic Hank Stuever on C1).
Survivor (CBS at 8) Season 36.
Outrageous Acts of Science (Science at 9) Season 9.
Hollywood Medium With Tyler Henry (E! at 9) Season 3.
Conan (TBS at 11) Zach Galifianakis, Jamie Anderson, They Might Be Giants.
Daily Show (Comedy Central at 11) Jorge Ramos.
Fallon (NBC at 11:34) Chadwick Boseman, Marlon Wayans, Mike “Rooster” McConaughey.
Colbert (CBS at 11:35) Donald Glover, Sebastian Maniscalco, Ibeyi.
Corden (CBS at 12:37) Elton John, Sharon Stone.
Meyers (NBC at 12:37) Sarah Jessica Parker, Mae Whitman, Tony Rock.