Lost 8 p.m.-midnight, G4

Do you know that G4 is reairing the entirety of “Lost,” with four back-to-back episodes every Monday night? Do you want to re-watch the series, despite the fact that, in my opinion, it ultimately added up to nothing very special in the last season and the final episode? Do you vehemently disagree with my assessment and plan to bombard me with e-mail and/or tweets? Pictured: Matthew Fox.

Perception 10 p.m., TNT

I saw a preview of this episode, and it made me scratch my head and roll my eyes (all figuratively, not literally – do I need to say that?). In tracking a serial killer, Eric McCormack’s Daniel Pierce winds up dealing with an older woman who still thinks she’s a teenager. Perhaps she can remember seeing the killer? It’s so campy! And so painfully preposterous! Sheryl Lee, a long way from “Twin Peaks,” guest stars.

How I Made My Millions 9 p.m., CNBC

Not featuring Mitt Romney.

Blood, Lies, & Alibis 9 p.m., ID

Sex and videotape are so ‘80s.

Bachelor Pad 8 p.m., Channel 5

Love! Valour! Franchise!