LIVE with Kelly and Mark Season 21 Peter Gros, M.C. Hammer, guest co-host Will Ferrell Season 21, episode 198 Peter Gros, M.C. Hammer, guest co-host Will Ferrell June 3, 2009 43 min Previous episode Kyra Sedgwick, spelling bee champ Kavya Shivashankar, guest co-host Pat Sajak Next episode Jeffrey Donovan, Denise Richards, guest co-host Anderson Cooper