What To Watch: Black Lightning Finale, NCIS No. 350, Roseanne And More
Courtesy of The CW
On TV this Tuesday: Black Lightning delivers its final freshman zap, NCIS marks a rare milestone and Johnny Galecki returns to Roseanne (for one night only). Here are 10 programs to keep on your radar; all times are Eastern:
Showtimes for April 17, 2018
ET
The Flash
The CW
The team finds a way to infiltrate The Thinker's lair; Ralph considers crossing a line to defeat DeVoe; Joe worries about Harry's recent behavior.
David (The Big Bang Theory's Johnny Galecki) returns for Harris' birthday; Bev (Estelle Parsons) gets kicked out of her nursing home. (A marathon of classic episodes precedes at 9 am on Paramount Network; watch promo.)
Shadowhunters
Freeform
Jace attempts to track down the individual out to get Simon; Clary turns to Luke for help; Alec learns more about Magnus' romantic past.
ET
Alex, Inc.
ABC
Special night and time: Alex thinks he has fired their part-time babysitter for falling asleep on the job... until she shows up for work the next day.
