Getting your player ready...
“THE SING-OFF,” 7 p.m., KUSA-Channel 9: The remaining six groups sing rock tunes and guilty- pleasure songs.
ALSO
“How I Met Your Mother,” 7 p.m., KCNC-Channel 4: In an episode titled “False Positive,” Lily and Marshall receive shocking news that has a profound impact on the gang.
Joanne Ostrow
