2 Broke Girls Max and Caroline (Kat Dennings, Beth Behrs) discover a video game with characters based on themselves. 8 p.m. CBS
The Mysteries of Laura When Valentine's Day takes a deadly turn, Laura (Debra Messing) begins to suspect a long-dormant serial killer has re-emerged in this new episode. 8 p.m. NBC
Arrow Nyssa (guest star Katrina Law) makes Oliver (Stephen Amell) an offer that's hard to refuse. 8 p.m. KTLA
American Idol Twelve of the top 24 contestants perform in this new episode. 8 p.m. Fox
Nature Director of photography Hugo Kitching spent...