Pop Culture Roundup: Remembering Nichelle; Gaimin Talks "Sandman"; So Long, Flash; More

George Takei, William Shatner and more pay tribute to the late, great Nichelle Nichols.

ITEM! Neil Gaiman talks to The New York Times about his upcoming "Sandman" series coming to Netflix. 

ITEM! The next season of the CW's "Flash" series will be its last.

ITEM! The brilliant "Reservation Dogs" returns with new episodes this week.