Tony Shalhoub and Gena Rowlands, Monk

Monk
9 pm/ET USA
Monk's latest investigation leads him to a place where he may truly belong: a museum of oddities. While investigating a murder there, he forms a bond with a warm and gracious woman, played by the always-charming Gena Rowlands. And though Monk is enjoying time with his new pal, he has trouble shaking the feeling that his friendship may come with a catch. — Brie Hearn

For full episodes of Monk, visit our Online Video Guide.

Wolverine and the X-Men
8 pm/ET Nicktoons
If you're suffering from X-Men withdrawal, there's no need to wait until May's release of the X-Men Origins: Wolverine: You can get your fix with the premiere of this action-packed cartoon. The first two parts of the three-part premiere air back-to-back and focus on Wolverine, who decides to hit the road solo a year after the destruction of Xavier Institute. Soon enough, he runs into trouble and realizes that he must reunite the disbanded X-men in order to prevent the world's destruction. — Jennifer Sankowski

For more X-Men, visit our Online Video Guide.

Battlestar Galactica
10 pm/ET Sci Fi
With some notable exceptions like Dick Cheney and Al Gore, vice presidents don't tend to change history much. Enter Tom Zarek, the political heavyweight who gave the Colonials the dreadful administration of President Baltar. Zarek (original series vet Richard Hatch) isn't thrilled with the prospect of an alliance with the rebel Cylons, and unfortunately for Adama, he isn't the only one to voice that sentiment. — Michael Chant

For full episodes of BSG, visit our Online Video Guide.

Supernanny
9 pm/ET ABC
Raising twins is bound to test even the best parents, but what about two sets of twins? And both under the age of 5? Watch what happens when just such a situation has a beleaguered couple seeing double as Jo makes another visit to her native United Kingdom. — Joe Friedrich

For clips of Supernanny, visit our Online Video Guide.

Star Wars: The Clone Wars
9 pm/ET Cartoon Network
Last week's episode thrust Ahsoka into the role of leader after Anakin was injured in battle. Tonight, the pacifist Lurmen face a similar change in roles when they are forced to decide whether they'll fight in the Republic-Separatist war. George Takei makes the leap from Star Trek to Star Wars as he provides the voice for Separatist Neimoidian General Lok Durd. — Brie Hearn

For full episodes of Star Wars: The Clone Wars, visit our Online Video Guide.