Danielle Spencer, who played little sister Dee on ‘What’s Happening!!,’ dies at 60

An August 2019 image provided by Sandra Jones, shows Danielle Louise Spencer posing for a photograph in Midlothian, Virginia. AP

LOS ANGELES — Danielle Spencer, who played the wisecracking and tattling little sister Dee Thomas on the 1970s sitcom “What's Happening!!” has died at 60.

Spencer, who became a veterinarian later in life, died Monday at a hospital in Richmond, Virginia, after a yearslong battle with cancer, family spokesperson Sandra Jones said.

As Dee, Spencer was the smarter, more serious younger sister who offered a steady stream of deadpan roasts of big brother Roger “Raj” Thomas and his friends Dwayne Nelson and Freddie “Rerun” Stubbs.

“Ooh, I’m gonna tell mama,” would become Dee's catchphrase.

The show, set in the Los Angeles neighborhood of Watts and among the firs