Does anyone know what times and channels Roseanne airs on in Texas?

Well it airs Nationwide on N@N, a full hour weeknights at 10pm Central time and 1am Central time(Timezone of Texas) and it also airs on Oxygen for a full hour Weekdays at 11am and 5pm. Some local channels may air it as well out there, but you need to look at your local TV Guide for that.