Heroes — "The Hard Part"

Nathan's willing to do whatever it takes to win the election. D.L. and Niki learn more about what Linderman has in store for them, and we learn more about creepy, creepy Sylar. He's just an unfortunate product of his environment, Your Honor.

How I Met Your Mother — "Something Borrowed"

Absolutely everything goes wrong on Lily and Marshall's big day, and the least likely person jumps in to save the day. Also, check out the winning line from the "Barneyisms" contest, which airs in this episode.

Girlfriends — "A House Divided"

Eldon's parishioners aren't too happy with Lynn as his choice of girlfriend and he's forced to make a tough decision. Joan and Aaron have their first fight.

American Idol — "Top 4 Perform Live!"

The Top 4 belt it out to win America's heart and the big prize. Will someone crack under the pressure? God, we can only hope so, nobody likes grace under pressure. The theme is BeeGees songs, so break out your platforms and your bellbottoms and get ready for a little disco fever!

Dancing with the Stars — "8th Round Results"

Results from the Latin and Ballroom competion on Monday. Also, Nelly Furtado performs "All Good Things" and "I'm Like a Bird", Maksim Chmerkovskiy has a dance-off with his with brother Val. As if this weren't enough, Jimmy Kimmel also teaches us all how to waltz. Will the fun never stop?

Gilmore Girls — "Unto the Breach"

Rory and Paris graduate! At the big graduation party, Lorelai and Chris figure out if they can stand each other anymore and Logan proposes to Rory. Will there be wedding bells for the junior Lorelai?

Jericho — "Why We Fight"