The Hollow Three teens join forces to find a way home after waking up in a strange realm filled with magic portals, perplexing puzzles and vicious beasts. Details Casts Videos Galleries Posters Season Lists Title The Hollow Genres Animation Kids Drama First Air Date 2018-06-08 Last Air Date 2020-05-08 Episode Runtime 00 Hours 25 Minutes Total Season(s) 2 Total Episode(s) on All Seasons 20 Runtime 25 Production Companies Slap Happy Cartoons Inc. Ashleigh Ball... Mira (voice)... Connor Parnall... Kai (voice)... Adrian Petriw... Adam (voice)... Alex Barima... Reeve (voice)... Diana Kaarina... Vanessa (voice)... Jesse Moss... Skeet (voice)... Mark Hildreth... The Weird Guy (voice)... The Hollow | Official Trailer [HD] | Netflix (Trailer) Original Size (1280x720) Original Size (1280x720) Original Size (1920x1080) Original Size (1400x2100) Original Size (1481x2222) Original Size (680x1000) Original Size (680x1000) Original Size (680x1000) Original Size (1175x1763) Season 1 10 Episode(s) 2018-06-08 Season 2 10 Episode(s) 2020-05-08