TV Hal & Harper - Season 1 Episode 5 : Halloween Hal & Harper - Season 1 Episode 5 : Halloween 7.308/10 by 13 users Halloween causes Harper and Jesse to reflect on the past and present state of their relationship. Details Casts Posters Images Title Hal & Harper - Season 1 Episode 5 : Halloween Alternative Titles Hal and Harper First Air Date 2025-10-19 Last Air Date 2025-11-30 Number of Episodes 8 Number of Seasons 1 Genres Comedy, Drama, Networks MUBI, Casts Cooper Raiff, Lili Reinhart, Betty Gilpin, Mark Ruffalo Plot Keywords , Hal Cooper Raiff Harper Lili Reinhart Kate Betty Gilpin Dad Mark Ruffalo Episodes List Hal & Harper Season 1 :Episode 1 Pilot Pilot 2025-10-19 Hal and Harper, two codependent siblings living in Los Angeles, try to preserve their childhood even though their single father forces them to grow... Hal & Harper Season 1 :Episode 2 Going to Each Other Going to Each Other 2025-10-19 Hal and Harper, two codependent siblings living in Los Angeles, try to preserve their childhood even though their single father forces them to grow... Hal & Harper Season 1 :Episode 3 Our House Our House 2025-10-26 Hal and Harper, two codependent siblings living in Los Angeles, try to preserve their childhood even though their single father forces them to grow... Hal & Harper Season 1 :Episode 4 Adventure Landing Adventure Landing 2025-11-02 Hal and Harper, two codependent siblings living in Los Angeles, try to preserve their childhood even though their single father forces them to grow... Hal & Harper Season 1 :Episode 5 Halloween Halloween 2025-11-09 Hal and Harper, two codependent siblings living in Los Angeles, try to preserve their childhood even though their single father forces them to grow... Hal & Harper Season 1 :Episode 6 Didn't Even Hurt Didn't Even Hurt 2025-11-16 Hal and Harper, two codependent siblings living in Los Angeles, try to preserve their childhood even though their single father forces them to grow... Hal & Harper Season 1 :Episode 7 Vegas Vegas 2025-11-23 Hal and Harper, two codependent siblings living in Los Angeles, try to preserve their childhood even though their single father forces them to grow... Hal & Harper Season 1 :Episode 8 Are You Watching? Are You Watching? 2025-11-30 Hal and Harper, two codependent siblings living in Los Angeles, try to preserve their childhood even though their single father forces them to grow...