That’s because they once worked together on a long-forgotten sitcom.

Like in “Blossom,” Bialik played the titular character while Aniston played Molloy’s stepsister.

Fans loved Bialik’s throwback of the former costars

Talk about the throwback of all throwbacks.

Mayim Bialik on the red carpet

We did a show together before I did ‘Blossom.’

#tbt!!!"

Bialik played Molloy Martin while Aniston was her stepsister, Courtney Walker.

1990s photo of Mayim Bialik and Jennifer Aniston

you’re free to tell how much she liked me, right?

!

Mayim Bialik and Jennifer Aniston posing 1990