What's on TV Tonight | October 22
Alphas 7-8pm, SYFY. In the season finale, Rosen plans a final confrontation with Stanton Parish.
Presidential Debate 8-10pm, NBC. Bob Schieffer moderates the finale debate between the candidates live from Lynn University in Boca Raton, FL.
Gossip Girl 8-9pm, CW. A scandal mars Blair's first fashion show at Waldorf Designs.