TOP PICK: ‘Medium‘ (9pm ET on CBS)
When Allison develops a strange sensitivity to light, the sunglasses she wears reveal mysterious numbers which could tie into people’s life expectancies. Also, Allison’s dream about Joe’s dad causes Joe to start taking better care of his health
KEY EPISODE: ‘Smallville‘ (8pm ET on The CW)
Tess kidnaps Lois to find out where Lois went after she disappeared for weeks. Lois’ memory of the future depicts a Metropolis under Zod’s rule and Clark powerless under the red sun, while Chloe forms a resistance group with Oliver. After learning of these future events, Clark makes an important decision about Zod.
WATCH: ‘Ghost Whisperer‘ (8pm ET on CBS)
When the ghost of a little girl who passed away from leukemia befriends Aiden and threatens Melinda to stay out of her way, Melinda worries for her son’s safety.
DVR: ‘Stargate Universe‘ (9pm on Syfy)
Camile and Lt. Scott return to Earth by using the communication stones. Meanwhile on the ship, the crew explores new areas of the ship and make a shocking discovery.
DVR: ‘Monk‘ (9pm on USA)
After rejoining the force, Monk hunts for a serial killer. Brooke Adams (Tony Shaloub’s real-life wife) guest stars.