sentences:  Sheridan was named after his paternal grandfather David Sheridan.He did not appear in any of the "Babylon 5" television episodes or made-for-television movies, but was featured in "", the third novel in the canon Legions of Fire novel series.His existence was first established in the two-part "War Without End" episode from the third season of Babylon 5 when his father traveled forward in time briefly and was told by Delenn that they had a son.