"Batman Forever" star Kilmer died on Tuesday at 65 from pneumonia.
The Backstreet Boys singer, visibly emotional, was seen singing along as his son poured his heart out on stage.
Saturday night's "Barry the Midwife" sketch digs up a nostalgic pop culture moment.
Jonas popped in with a motivational ballad in a pre-taped segment Saturday night.
He was also the first artist to record a future standard written by Burt Bacharach & Hal David.
The country star appeared as the show's musical guest on March 29.
The songs will be featured on the country star's upcoming fourth studio album.
Wallen will appear on the March 29 episode of the show.
"It was a very unlikable thing in the industry," the singer said of the competition show she won.
