Yu-Gi-Oh! 5D's - Episode 042
{{Infobox/Yu-Gi-Oh!/Episode | series = Yu-Gi-Oh! 5D's | season = 1 | image name = YGO5D042.jpg | image size = | image caption = | english = | kanji = 集結！赤き竜の戦士たち | ruby japanese = | romaji = Shuuketsu! Akaki Ryu no Senshitachi | japanese translated = Gather! Warriors of the Crimson Dragon | episode number = 42 | japanese air date = January 21, 2009 | english air date = | japanese opening = Last Train - The New Morning | japanese ending = CROSS GAME | english opening = | english ending = | featured card = Stardust Dragon]]; Red Dragon Archfiend; Black Rose Dragon; Ancient Fairy Dragon; [[Power Tool Dragon }}
Gather! Warriors of the Crimson Dragon is the forty second episode of Yu-Gi-Oh! 5D's.
Rex Godwin allows Yusei and the others to gather at his place, telling the Signers that "as Signers, they are fated to guide the destiny of everyone else". Therefore Godwin reveals to them the secret of the Crimson Dragon, as well as the connection between the Signer and the Dark Signer's which happens to be deep long.
