Weekend television

“Unwanted Guest”8

tonight Lifetime — A college student’s friend stays with her family during winter break, but the young woman grows obsessive and wreaks havoc on her hosts. “Fear the Walking Dead” 9

p.m. Sunday AMC — After the fall of the compound, Madison, Strand and others forge a tenuous path forward. “2016 MTV Music Video Awards” 9 p.m. Sunday MTV, VH1 — Rihanna