What was the first Star Trek with whoopi goldberg?

Whoopi Goldberg was in Star Trek: The Next Generation in the episode "The Offspring", which aired on March 29, 1990. She played the role of Guinan, a bartender on the Enterprise-D.

While she wasn't in the first episode of TNG, her character became a beloved recurring one throughout the series and later appeared in *Star Trek: Voyager*, *Star Trek: Deep Space Nine*, and *Star Trek: Picard*.