I'm Tee, Me Too Episode 4

When Watee, Teedo, Teedet, Maitee, and finally T-Rex announce they'll be away for the night, Maytee's left alone to battle his own imagination. The chance midnight arrival of the twin of Watee's late mother strikes terror and amplifies the need for Maytee to conquer his phasmophobia with the help of his Tees. Maytee, Maitee, and Watee are each dealing with their own feelings about their mothers. (Source: MyDramaList)