Nickelodeon to livestream 30th anniversary "Double Dare" special at Comic-Con

Fans of "Double Dare" are in for a treat, as Nickelodeon is reviving the slime-happy game show for its 30th anniversary -- but there's a catch: It's only happening once.The kids-centric network is bringing the game show to San Diego Comic-Con -- along with host Marc Summers -- for one night only, hosting a special live edition to commemorate the milestone. Summers will head up a new episode at the pop culture event on July 22, and those who can't make it to San Diego will be able to watch it liv