NCIS A Navy officer’s murder appears to be connected to Ducky’s (David McCallum) late mother. The case gives Ducky conflicted feelings about a decision he made almost four decades earlier. With Mark Harmon, Joe Spano and guest star Adam Campbell appears again in flashbacks as the younger Ducky. 8 p.m. CBS
The Middle Brick (Atticus Shaffer) is so successful as a babysitter that his customers want him to work all the time, and Sue (Eden Sher) is keeping a big secret from the family. 8 p.m. ABC
Brooklyn Nine-Nine What starts as a trip to find a special toy for Charles’...