The 46-year-old actress and 36-year-old NBA star gave Winfrey an intimate glimpse into their life with daughter Kaavia for a new TV special.
"From the Bottle to the Bassinet... No New Friends. Crew. Tight," Union captioned a photo on Instagram with Wade, Winfrey and Kaavia.
"So excited to share what we have been working on with @oprah and @kaaviajames Oprah at Home with Gabrielle Union, Dwyane Wade & Their New Baby," she wrote.
Winfrey shared the same picture on her own account. Oprah at Home with Gabrielle Union, Dwyane Wade & Their New Baby will air Dec. 8 on Winfrey's network OWN.
"Look who I got to meet! Little @KaaviaJames, the miracle baby! Kaavia James, you are SO loved by your parents," Winfrey wrote.
"Couldn't be happier for @GabUnion and @DwyaneWade. I talk with them about their path to parenthood... this conversation is for every parent and anyone who became a family in their own way," she teased.
Winfrey shared a sweet moment with Kaavia in a snapshot on the infant's official Instagram account.
"Me, my new friend @oprah and my pops @dwyanewade on me like I'm Honey Boo Boo. #StageDad," the post reads.
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Me, my new friend @oprah and my pops @dwyanewade on me like I'm Honey Boo Boo. #StageDad My primetime special " @Oprah at Home with Gabrielle Union, Dwyane Wade & Their New Baby” Airdate is Saturday, December 8 at 8p ET/PT on OWN. Cute skirt by @ackeetreeclothing 🤗 bow by @babybling
Union and Wade welcomed Kaavia via surrogate this month, and detailed their daughter's name in a post Saturday. Union previously shared her struggle to conceive via in vitro fertilization.