Tubin In search of some adventure, the Bears ride a tube down a dangerous river. Details Casts Videos Galleries Posters Season Lists Title Tubin Genres Family Comedy Animation Kids Release Date 2017-11-10 Episode Runtime 00 Hours 11 Minutes Season Number 3 Episode Number 36 Production Companies Cartoon Network Studios Eric Edelstein... Grizzly (voice)... Demetri Martin... Ice Bear (voice)... Bobby Moynihan... Panda (voice)... We Bare Bears (Volume 1): Viral Video - Official Trailer (Trailer) Open | We Bare Bears | San Diego Comic Con I Cartoon Network (Opening Credits) Original Size (3840x2160) Original Size (3840x2160) Original Size (3840x2160) Original Size (3840x2160) Original Size (3840x2160) Original Size (3840x2160) Original Size (3840x2160) Original Size (3840x2160) Original Size (3840x2160) Original Size (3840x2160) Original Size (1280x720) Original Size (1280x720) Original Size (3840x2160) Original Size (3840x2160) Original Size (2000x3000) Original Size (500x750) Original Size (2000x3000) Original Size (2000x3000) Original Size (2000x3000) Original Size (2000x3000) Original Size (2000x3000) Original Size (2000x3000) Original Size (2000x3000) Original Size (2000x3000) Original Size (2000x3000) Original Size (2000x3000) Original Size (600x900) Original Size (500x750) Original Size (2000x3000) Original Size (562x750) Original Size (680x1000) Original Size (680x1000) Original Size (2000x3000) Original Size (1175x1763) Original Size (960x1440) Original Size (2000x3000) Original Size (830x1245) Original Size (830x1245) Original Size (500x750) Original Size (750x1000) Original Size (720x1080) Season 1 25 Episode(s) 2015-08-24 Season 2 23 Episode(s) 2016-02-11 Season 3 47 Episode(s) 2017-04-03 Season 4 43 Episode(s) 2018-07-30