Join Ellen as she welcomes the cast of the hit comedy ""Will & Grace."" DEBRA MESSING, ERIC McCORMACK, MEGAN MULLALLY, and SEAN HAYES will all be here!

""Will & Grace's"" ERIC McCORMACK pops by for a visit. TY PENNINGTON and Ellen reveal her new Riff-Raff room and invite the audience to check it out! And, Ellen honors the first of your favorite TEACHERS!

ERIC McCORMACK (""Will & Grace"") arrives wearing only his underwear, shows a BAD ACTING CLIP, and plays badminton in our backyard against Ellen. Where does our mail come from? Ellen takes a funny tour of our local post office. CONSTANTINE, the latest cast-off from ""American Idol"" performs! And, Ellen makes a lucky viewer's dream come true!