Friday morning on "Today" (NBC at 7 a.m.), Meredith Vieira talks to former Illinois governor Rod Blagojevich, his first post-trial interview after being found guilty on one out of two dozen counts.
The late writer and philosopher William Segal looks for the meaning of life in three short films on "Seeing, Searching, Being" (WETA at 9), in collaboration with documentarian Ken Burns.
Allison's very existence causes all kinds of problems between Carter and Grant on "Eureka" (Syfy at 9) -- which was just renewed for a fifth season this week -- while Henry and Zoe deal with their respective romantic issues.
On "Say Yes to the Dress: Atlanta" (TLC at 9, 9:30), the staff at Bridals By Lori tries to help one bride who brings her mother and brother to help make her decision, but one woman has it all figured out when she flips a coin to decide between her two favorite gowns.
"Kids in the Hall: Death Comes to Town" (IFC at 10), the first time that all five original "Kids in the Hall" have reunited on American television, is previewed by Hank Stuever.
It doesn't only happen in bad rom-coms -- one-hour special "Left at the Altar" (TLC at 10) tells the stories of real-life brides and grooms jilted on the big day. These sad tales include Nicole, who found out from the best man that her groom disappeared; Cyndi, whose fiance called off the nuptials hours before the ceremony; Michael, a single dad that had a destination wedding end in disaster; and Valerie, who faked a medical emergency so she wouldn't have to go through with the wedding.
Dave and Cody land on a Brazil swamp on "Dual Survival" (Discovery at 10), where they discover that in addition to the unpleasant conditions, there are a fair amount of piranhas in the water.
"20/20" (ABC at 10) talks to Melissa Moore, the daughter of Keith Jesperson (the infamous "Happy Face Killer" of the five-year crime spree in the '90s), and how her father's past shaped her life.
In other grisly series news, the debut of "Twisted" (Investigation Discovery at 10) explores the psychology of people known as some of the most prolific serial killers in history, starting with Jeffrey Dahmer of Milwaukee, who died in prison in 1994.
"Need to Know" (WETA and MPT at 10:30) talks about everything from the United States' pullout from Iraq to the inherent risks of blood transfusions.
Baltimore restaurant Helen's Garden gets a day in the spotlight on "Chefs Vs. City" (Food Network at 10), as owner Thomas Looney and chef Annmarie Langton race around Charm City completing various food challenges.
-- Emily Yahr