Here's tonight's lineup of new shows and events (all times Eastern). Check your local TV listings for additional information.

* = Series/Season Premiere
** = Series/Season Finale
# = New Day/Time

8:00 to 9:00
ABC: 'Shark Tank'**
CBS: 'Flashpoint'
CW: 'Smallville'** -- The series finale
FOX: 'Kitchen Nightmares'
NBC: 'Friday Night Lights'
PBS: 'Need to Know With Gwen Ifill' and 'Need to Know'
CMT: 'Singing Bee'
Disney Channel: 'Wizards of Waverly Place' and 'Fish Hooks'
DIY: 'Man Caves'
ESPN: 'NBA Playoffs' -- Game 6 between the Thunder and the Grizzlies
SyFy: 'WWE Friday Night Smackdown' -- (120 minutes)

The rest of the schedule after the jump.
9:00 to 10:00
ABC: 'Primetime: What Would You Do?'
CBS: 'CSI:NY'**
NBC: 'Dateline' -- (120 minutes)
CMT: 'CMT's Next Superstar'
Animal Planet: 'Killer Outbreaks'
Discovery: 'Dual Survival'
Disney Channel: 'Phineas and Ferb'
DIY: 'Yard Attack'
ID: 'The Pig Farm'
NatGeo: 'Hooked'
NatGeo WILD: 'Python Hunters'
Science: 'How It's Made'
TLC: 'Say Yes to the Dress'
Travel: 'Ghost Adventures'

10:00 to 11:00
ABC: '20/20'
CBS: 'Blue Bloods'**
Animal Planet: 'The Haunted'**
Discovery: 'Swamp Brothers'# -- Two episodes
DIY: 'King of Dirt'
E!: 'The Soup' and 'Fashion Police'
Food Network: 'Outrageous Food'
HBO: 'Real Time With Bill Maher' -- National-security expert Richard Clarke
History: 'American Restoration'
IFC: 'Whitest Kids U'Know' -- 10:30 start
NatGeo: 'Ice Pilots'
Starz: 'Camelot'
SyFy: 'Urban Legends'
TLC: 'Four Weddings'