Exclusive Sneak Peek: Watch Megan Fox and Brian Austin Green Meet-Cute on Wedding Band

They may have met on the set of the TV series Hope & Faith, but Brian Austin Green and his wife, Transformers star Megan Fox, have never shared the screen — until now. Fox will guest-star on Green's new comedy, TBS' Wedding Band, in which four friends team up to entertain at various nuptials.

Photos: Everybody's posing nude! Check out Rihanna and other stars who've bared all

In this exclusive sneak peek from Saturday's episode (10/9c on TBS), Tommy (Green) meets Alexa (Fox) when his band, Mother of the Bride, plays a wedding at Comic-Con. Alexa is basically every nerd's fantasy. First of all, she is played by Megan Fox. She also wears a sexy, midriff-baring ensemble made of "genuine Italian space leather" and knows how to say Tommy's band's name in Elvish. Score! Unfortunately, clueless Tommy doesn't realize that Alexa is the star of a hit sci-fi series, Plutopia. "You really don't — you don't know?" Alexa asks him when he doesn't recognize her. "What am I supposed to know, that pleather is readily available in Middle-Earth?" Tommy quips.

Fifty Shades of Lame! Check out TV's unsexiest sex scenes

Can Tommy get the girl? Watch this exclusive video of their out-of-this-world meet-cute on Wedding Band: