The season finale introduces Toby, who's chasing a dream to resemble the pop star
Wednesday's episode follows Robert's obsession with eating plastic, which would turn anyone else's stomach
The TLC series meets folks who take their obsession with perfection overboard
The TLC docu-series returns Wednesday with three people who go to extreme measures to look like toys
Colorado woman also bathes in and brushes her teeth with her own urine in TLC's "My Strange Addiction"