“First Elimination” – The 15 celebrity and pro-dancer couples are back in the ballroom for a second week with the first elimination of the 2021 season, live, MONDAY, SEPT. 27 (8:00-10:00 p.m. EDT), on ABC. (TV-PG, L) Celebrity and pro duos will perform time-honored dances including the Viennese Waltz, Foxtrot, Samba, Tango, Rumba and Cha Cha. The …