Grimm Nick (David Giuntoli), Hank (Russell Hornsby) and Wu (Reggie Lee) investigate a man’s claim that his friend was swallowed by a tree in this new episode of the Portland, Ore.-set supernatural drama. 8 p.m. NBC
The Vampire Diaries Damon and Stefan (Ian Somerhalder, Paul Wesley) attempt to expose a threat as the long-running drama airs its penultimate episode ahead of next week’s series finale. 8 p.m. KTLA
Emerald City Dorothy (Adria Arjona) tries to end the Wizard’s (Vincent D’Onofrio) siege as this dark fantasy drama inspired by L. Frank Baum’s “The...