1) “Saturday Night Live,” 11:29 p.m., NBC. Phoebe Waller-Bridge (shown here) has suddenly grabbed our attention . Once confined to supporting roles in British shows, she got Emmy nominations in drama (for writing and producing “Killing Eve”), then dominated in comedy – winning Emmys for writing, producing and starring in “Fleabag.” Now she hosts “SNL,” with Taylor Swift as music guest.
2) “31 Days of Halloween Fan Fest Special,” 8-9:30 p.m., Freeform. Jumping into its annual October flurry, Freeform has music from Christina Aguilera, Kristin Chenoweth, JD McCreary, Salt-N-Pepa and In Real Life. It also has Ray Parker Jr., with the theme to “Ghostbusters”; that film’s 35th anniversary will be noted, with actor Dan Aykroyd and director Ivan Reitman. Also noted – “Hocus Pocus” (for the second straight year) and the 50h anniversary of the “Haunted Mansion” theme-park ride.
3) More Halloween, cable. Continuing its “Hocus Pocus” obsession, Freeform reruns the movie (1993) at 9 a.m. and 5:50 p.m. That sandwiches “Simpsons” Halloween episodes (11:10 a.m. to 1:40 p.m.) and “Scooby-Doo” movies (1:40 and 3:45). Also, “Goosebumps” is (2015) is at 9:30 p.m. Elsewhere, the Travel Channel has an all-day marathon of visits to maybe-haunted spots; the Food Network starts its own Halloween marathon at 1 p.m.
4) “FBI,” 8 p.m., CBS. In a rerun, the daughter of a rich family is kidnapped by someone seeking internet fame. That’s followed by a “Bull” rerun at 9; Bull feels guilty about closig his psychiatric practice, when a former patient is tried for killing her brother.
5) “Murder For Hire” season-opener, 6 p.m., Oxygen, rerunning at 9. There seems to be lots of business for hit men. This documentary series from Dick Wolf (“Law & Order”) reruns its first season from 6 a.m. to 1 p.m. and starts its second. Mike Dippolito, an investor, married Dalia, who was a professional escort. When she reportedly sought a hit man, the police were contacted. At one point, she was told Mike had been killed; later, at the police station, she was stunned to see him alive and quite angry.