Telepisodes TV Series Whose Line Is It Anyway? Season 12 Episode 1 Whose Line Is It Anyway? Season 12 Episode 1 – Alfonso Ribeiro Air Date : May 23 2016 | 55 Views | 0 comment(s) Summary: Guest comic Gary Anthony Williams; actor Alfonso Ribeiro. Already Watched? Previous Episode Next Episode Links no available links yet Comment(s) Cancel replyYou must be logged in to post a comment.