Star fails her first test, so she tries to play match maker for their classroom teacher to get a better grade. However, she winds up turning her into a troll.

Star accepts her ex-boyfriend Tom's invitation to Demon Prom, but Marco is suspicious of Tom's intentions.

Star rebels after the school guidance counselor, Mr. Candle, insists that her future is set in stone.

When Tom vies for Marco's company instead of Star's, Marco becomes suspicious.

Star and Tom's relationship is put to the test when Tom decides to get rid of his demons.

Knight of the wash, Sir Lavabo, gets a familiar squire.

All the youth of Mewni gather at the ancient Monster Temple to celebrate a new era of monsters and Mewmans living together in peace -- until guests start disappearing.

Buffrog leaves Mewni in search for a better life, and Star goes to look for him.

A magical photo booth at a wedding goes on the fritz and captures Star and Marco inside.

Star becomes acting Queen and plans for Marco and his warriors to delay Meteora from reaching Castle Butterfly long enough for Star to find Moon and destroy the monster princess.

Star must find the courage to face Meteora alone and make a decision that will change the kingdom forever.

Star and Marco go in search of Queen Moon.

Star and Marco plan their beach day, but Eclipsa needs Star's help with an unexpected problem.

When a storm traps Star at Tom's family lake house, she turns it into a fun excursion.

Star and Marco go on a perilous quest to break the curse of the Blood Moon.

Tom learns how to have fun without Star.

Marco and Tom go on a dragon-cycling adventure.

Star plans a coronation for Eclipsa to become Queen.

Star attempts to figure out what to do with her life after she is not responsible for Mewni any longer.

Tom breaks up with Star but is not prepared for the consequences.

Star and Marco need Janna's help to return to Mewni.

Star, Marco, Janna and Tom lose their memories as they traverse amnesia-inducing waters to get back to Mewni.

Star and Marco face their final conflict.