Goldblum and Mitchell will play Hiram and LeRoy Berry, respectively. Here is a first look at the upcoming episode, scheduled to air on Fox at 8 PM.
Here's how Fox describes "Heart": "In honor of Valentine's Day, Will (Matthew Morrison) challenges the New Directions to find and perform the world's greatest love songs. Meanwhile, Rachel's (Michele) two dads Hiram (Goldblum) and LeRoy Berry (Mitchell) pay a visit to McKinley High."
Also on the episode, Amber Riley will sing "I Will Always Love You." The episode will be dedicated to the late Whitney Houston.
To watch Mitchell and Goldblum on "Glee," look below:
To watch a preview of "Heart," look below: