 Complete the following phrase:  On April 30, 1992, the Nickelodeon Time Capsule was buried near the Slime Geyser. The burial ceremony was broadcast live on Nickelodeon and hosted by Mike OMalley of Get the Picture and Joey Lawrence of Blossom, with an appearance by Dr. Emmett Brown of . It contains items deemed important to the children of 1992 as voted upon by Nickelodeon viewers. These items included a Barbie doll, baseball, books comic book, endangered species book, history book, phone book, TV Guide and World Atlas, bubble gum, CDs MC Hammer and Michael Jackson, hat featuring the catchphrase of Joey Lawrence, news reports 