WATCH: Sneak peek of all-new RAISING HOPE episode - 'If a Ham Falls in the Woods'

Melanie Griffith, Wilmer Valderrama, and Leslie Jordan Guest-Star

RAISING HOPE: Sabrina's mother Tamara (guest star Melanie Griffith, second from R) with younger lover Roberto (guest star Wilmer Valderrama, R) embarks on a couples retreat with the Chance family in the all-new "If a Ham Falls in the Woods" episode of RAISING HOPE airing Tuesday, Oct. 23 (8:00-8:30 PM) on FOX 50. Also pictured L-R: Martha Plimpton, Garret Dillahunt, Lucas Neff and Shannon Woodward. Woodward. ©2012 Fox Broadcasting Co. CR: Greg Gayne/FOX

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By FOX50.com

Story Created: Oct 22, 2012 at 2:55 PM EDT

Story Updated: Oct 22, 2012 at 4:23 PM EDT

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Jimmy and Sabrina attend a marriage retreat led by a priest (guest star Jordan) before they get married. Not wanting to miss out on a free vacation, Virginia and Burt pose as a newly engaged couple, so they can attend too. It becomes a true family affair when Sabrina’s mom Tamara (guest star Griffith) and her young lover, Roberto (guest star Valderrama), tag along.

Meanwhile, Barney forgoes his birthday plans to babysit Maw Maw in the all-new “If a Ham Falls in the Woods” episode of RAISING HOPE airing Tuesday, Oct. 23 (8:00-8:30 PM) on FOX 50. (HOP-305) (TV-14 D, L, V)

Cast: Lucas Neff as Jimmy; Martha Plimpton as Virginia; Garret Dillahunt as Burt; Shannon Woodward as Sabrina; Cloris Leachman as Maw Maw, Gregg Binkley as Barney

Guest Cast: Baylie Cregut as Hope; Rylie Cregut as Hope; Melanie Griffith as Tamara, Wilmer Valderrama as Roberto