i put an s on it. >> rachel and rhonda we practiced. >> still to come on "today," how one professor is teaching students by using "seinfeld." >> jenna explains that but first, these messages! [ cheers ] ♪♪ the adventures you've been imagining. the heroes you've been admiring. the worlds you've been dreaming of. the thrills you've been craving. the moments you've been missing. the vacation you've been looking for is here. come and take it. universal orlando resort. when the flu hits, it's a really big deal. the aches. the chills. the fever. an even bigger deal? everything you miss out on... family pizza night. the big game.