There were constant reminders this past week, when major entertainment companies hawked their wares to advertisers in Manhattan presentations, of the diminished role of broadcast networks.

Network TV’s fondness for reality fare and reboots combine in “The Real Love Boat,” a sea-going dating show that’s part of the CBS fall schedule announced Wednesday.

At first glance, broadcast newcomers “Ghosts” and “The Wonder Years” have barely had a chance to prove themselves in the ratings.

CBS is reviving its hit “CSI: Crime Scene Investigation” brand with a series that brings original cast members William Petersen and Jorja Fox back home.