Does Anyone Else Remember Tickle-U, Cartoon Network’s Failed Pre-School Block? #cartoonnetwork Alec Comes 10 months ago Does Anyone Else Remember Tickle-U, Cartoon Network’s Failed Pre-School Block? #cartoonnetwork Tickle-U came out during the tail end of my summer vacation of 2005, and it single handedly ruined those two or so weeks. #shorts #lostmedia #peppapig .