Grizzy and the Lemmings: Chemical Lemmings / Cellular Bear / Cartoon Bear

How can one peacefully watch a documentary on salmon, nice and comfy on the sofa, when the Lemmings are playing chemistry with a fun experiment box? / Grizzy's nap is interrupted by an annoying vibration. He sees the forest ranger's cell phone on the couch. / The Lemmings are all lined up on the couch to watch a cartoon film where a mouse plays nasty tricks on a cat.