Red Socks was the lowest rated 7th Heaven episode at the time until A Pain in the Neck that aired in 2006 broke the record for the lowest ratings and viewers for an episode because of the CW's decision to flip their Sunday and Monday schedules.
When anyone sings, the sound does not match up with the movement of the lips.
When Vincent is singing at the ball field, his mouth is not moving at one part, right after he jumps into the players hands.
Lucy to Kevin: Who's the one that got me pregnant?
Kevin to a dazzled Ruthie: "Where'd you get those?"(referring to the roses)
Ruthie to Kevin: "From Vincent..."
Annie to Eric: "On our first date you wore red socks."
Eric to Annie: "I never wore red socks."
Kevin to Ruthie: "I'll give you a hundred bucks!"
Ruthie to Kevin: "Okay..."
(Kevin grabs them from a confused Ruthie and shoves money into her hand)
Ruthie sings the song "Nice Work If You Can Get It" by Gershwin. The following season, in the season 10 episode of "The Magic of Gershwin" Ruthie comes face to face with more Gershwin.
On its original airing this episode scored 5.1 million viewers for the WB. A great sign that Brenda Hampton and crew made a BIG mistake in doing this musical.
At the end of this episode during the ending credits, on The WB, The WB announced that 7th Heaven has been renewed for the 10th Season, making it the longest running Drama TV Show.
Tyler Hoechlin (Martin Brewer) does not sing in this episode.
Even though Kyle Searles (Mac) is featured as a guest star in this episode, he doesn't have any speaking lines, but only being involved in the baseball dance number with Martin (Tyler Hoechlin) and Vincent (Thomas Dekker) on the field.
Beverley Mitchell (Lucy Kinkirk) does not sing in this episode.
Stage actress Martha Plimpton who guest-starred on the series earlier this season (i.e. Regret to Inform) penned the script for this first-time musical episode.
Barry Watson (Matt Camden) does not appear in this episode.
Jessica Biel (Mary Camden) does not appear in this episode.
This is the 2nd time in the show's history that the Valentine's episode has actually aired on Valentine's day, the first being in 2000 (4th season).
This episode theme revolves around Valentine's Day.
David Gallagher (Simon Camden) did not want to sing in the episode along with the rest of cast for this musical episode. Creator and executive Brenda Hampton said that, "He didn't want to do it. And I would never make an actor do something they thought would be embarrassing to them."
David Gallagher (Simon Camden) appears in this episode.
This episode is featured as a musical as cast members sing periodically throughout this episode geared towards St. Valentine's Day.
Love Is Sweeping The Country, written by George Gershwin & Ira Gershwin performed by The Cast.
Nice Work If You Can Get It written by George Gershwin & Ira Gershwin performed by Mackenzie Rosman as Ruthie Camden.
You Were Meant For Me written by Herb Nacio Brown & Arthur Freed performed by George Stults as Kevin Kinkirk.
You Are My Lucky Star written by Herb Nacio Brown & Arthur Freed performed by Stephen Collins as Rev. Eric Camden.
The Man Upstairs written by Dorinda Morgan, Harold Stanley & Gerry Manners performed by Catherine Hicks as Annie Camden.
Ac-Cent-Tchu-Ate The Positive written by Harold Arlen & John H. Mercer performed by Thomas Dekker as Vincent.