Along with the appearance of Rob Thomas as guest star in the season finale of "iZombie," the episode is set to see Live, Detective Babineaux, and Major crash a party.

"iZombie" is currently in its season 2 and its season finale, episode 19 is entitled "Salivation Army." As per Spoilers Guide, the episode will see Thomas as himself, in a major production at a party. The publication revealed that Thomas will sing a song from one of the titles he had in his career.

Episode 19 is also set to see Liv, Detective Babineaux, and Major as gate crashers. As per the publication, the trio are working together on a mission and are going to crash Vaugh's Super Max Rager party. How they are going to execute their plan remains unclear and is yet to be revealed.

As per the publication, "iZombie's" season finale is also set to see Blaine ask for Peyton's help; however, it is revealed that his move does not seem to have a smooth flow with Ravi.

Known for his songs "Hold on Forever," "3AM," "Little Wonders," and "Ever the Same," among others, Thomas is known for the soundtracks he performed for various television series. These include his titles for shows like "I Love the 2000s," "Hello Ladies," "The Tonight Show with Jay Leno," "The X Factor," and "Late Show with David Letterman," among others.

Liv is also set to help Major escape from prison in the season finale, according to Australia Network News. As per the publication, the brain eating character will lend a hand to the latter, considering that she is aware that Major was the one who killed her boyfriend Drake.

"iZombie" season 2 episode 19, "Salivation Army," is set to air on Apr. 12 on The CW.