The three question marks sleep aid is an app to let you suggest a sequence of the three detectives. You can also include only certain episodes in your decision. setting options - Episode 1 - 50 - Episode 1 - 100 - Episodes 1 -150 - Everyone follows - The Dr3i episodes - The Three Question Mark Kids Follow - Custom Settings (Just set the range yourself.) "The three ???" are a registered trademark of Franckh-Kosmos Verlags-GmbH & Co. KG, Stuttgart. copyright This app is NOT owned by Kosmos, Eur