The upcoming anniversary special for "Saturday Night Live" just got a little longer.

NBC revealed plans on Thursday to add an extra 30 minutes to its upcoming"SNL 40th Anniversary Special."Now, Sunday'ssketch comedytribute will last three-and-a-half hours, stretching from 8 p.m. to 11:30 p.m.

As TheWrap previously reported,the network will bringat least 49 bignames back onto the programforthehighly anticipated milestone event, including Eddie Murphy,Jerry Seinfeld, Kerry Washington, Jon HammandRobert De Niro.

They will be joined by a floodof former "SNL" cast members, includingChevy Chase, Bill Murray, Jimmy Fallon, Adam Sandler, Tina Fey, Amy Poehler,Will Ferrell, Chris Rock, David Spade and Norm Macdonald.

If over three hours of "Saturday Night Live" isn't enough for fans, they can tune into NBC at 7 p.m. on Sunday and start thecelebrationearly with "SNL 40th Red Carpet Live," a special event hosted bythe network's"Today" personalities Matt Lauer, Savannah Guthrie, Carson Daly and Al Roker.

New episodes of "SNL" generally air on Saturday, but this week NBC plans to airthe sketch comedy show's Oct. 11, 1975 debut in its place, which featured host George Carlin.

"SNL 40th Anniversary Special" airs live on NBC at 8 p.m. on Sunday.

Read original story NBC Extends 'SNL 40th Anniversay Special' by 30 Minutes At TheWrap