TORONTO — YTV’s Mucho Marcho programming this week includes the introduction of a brand-new host of YTV’s The Zone and Zone Weekend. Alex Wierzbicki (pictured) made his television debut Monday at 4 p.m., joining hosts Spencer and Tyra as they bring down the house with contests, celebrity interviews, LOL sketches and behind-the-scenes fun facts from favourite YTV shows every weekday from 4 p.m. to 6 p.m. in The Zone. Toronto native Wierzbicki is a recent graduate from Sheridan College’s Music Theatre Performance program. He has appeared in numerous local productions including Sheridan’s Newsies, Oshawa Little Theatre’s Mary Poppins, and Bravo...