Season 3
38 episodes · first aired 2017-07-15
| Still | # | Title | Overview | Air date | Rating |
|---|---|---|---|---|---|
 | 01 | Battle for Mewni: Return to Mewni 2017-07-15 | Star returns to her home dimension of Mewni where she discovers that magic is disappearing throughout the kingdom. | 2017-07-15 | 9.0 |
 | 02 | Battle for Mewni: Moon the Undaunted 2017-07-15 | Star must dig deep and challenge archnemesis Ludo in an effort to save her family and kingdom. | 2017-07-15 | 10.0 |
 | 03 | Battle for Mewni: Book Be Gone 2017-07-15 | Despite dire warnings, Ludo tries to write a new chapter in the Book of Spells. | 2017-07-15 | 8.3 |
 | 04 | Battle for Mewni: Marco and the King 2017-07-15 | King River struggles to keep the kingdom running without Queen Moon's help. | 2017-07-15 | 5.0 |
 | 05 | Battle for Mewni: Puddle Defender 2017-07-15 | Buffrog helps Star escape from Moon's ever-protective watch. | 2017-07-15 | 8.0 |
 | 06 | Battle for Mewni: King Ludo 2017-07-15 | With Ludo in control of the kingdom, Marco must decide his next move. | 2017-07-15 | 7.0 |
 | 07 | Battle for Mewni: Toffee 2017-07-15 | King Ludo's reign reaches as a tipping point as Star returns to the castle. Star must summon her strength to save her family and the kingdom. | 2017-07-15 | 9.3 |
 | 08 | Scent of a Hoodie 2017-11-06 | Star secretly keeps Marco's hoodie as a reminder of their friendship. | 2017-11-06 | 7.0 |
 | 09 | Rest in Pudding 2017-11-06 | Star has recurring visions of Glossaryck and believes he's haunting her. | 2017-11-06 | 7.0 |
 | 10 | Club Snubbed 2017-11-07 | Tom snubs Star at the Silver Bell Ball. | 2017-11-07 | 6.3 |
 | 11 | Stranger Danger 2017-11-07 | Star meets the ancient Queen Eclipsa. | 2017-11-07 | 10.0 |
 | 12 | Demoncism 2017-11-08 | Star and Tom's relationship is put to the test when Tom decides to get rid of his demons. | 2017-11-08 | 7.3 |
 | 13 | Sophomore Slump 2017-11-08 | Marco decides to put a full effort into living life in the present on Earth. | 2017-11-08 | 7.0 |
 | 14 | Lint Catcher 2017-11-09 | Knight of the wash, Sir Lavabo, gets a familiar squire. | 2017-11-09 | 7.3 |
 | 15 | Trial by Squire 2017-11-09 | Star prepares for the Midnight Warrior Blowout Sale at Quest Buy. | 2017-11-09 | 7.0 |
 | 16 | Princess Turdina 2017-11-13 | A surprise visitor pressures Marco to reveal Turdina's true identity. | 2017-11-13 | 7.7 |
 | 17 | Starfari 2017-11-13 | Star goes out into the field to understand why Mewmans treat Monsters unfairly. | 2017-11-13 | 7.0 |
 | 18 | Sweet Dreams 2017-11-14 | Star discovers she travels through multiple dimensions in her dreams. | 2017-11-14 | 8.7 |
 | 19 | Lava Lake Beach 2017-11-14 | Kelly breaks up with her boyfriend and Marco questions his friendship with Star Butterfly. | 2017-11-14 | 10.0 |
 | 20 | Death Peck 2017-11-15 | Star urges the royal youth of Mewni to sign a petition calling for the equal treatment of monsters. | 2017-11-15 | 7.7 |
 | 21 | Ponymonium 2017-11-15 | Star becomes thrilled when Pony Head invites her to dinner with her sisters. | 2017-11-15 | 5.0 |
 | 22 | Nightlife 2017-11-16 | Star learns that Marco and Hekapoo have been dealing with rogue interdimensional portals. | 2017-11-16 | 9.0 |
 | 23 | Deep Dive 2017-11-16 | Star's sleep-portaling becomes a danger and she decides to put a stop to it. | 2017-11-16 | 10.0 |
 | 24 | Monster Bash 2017-11-16 | 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. | 2017-11-16 | 8.0 |
 | 25 | Stump Day 2017-12-02 | Star, Marco and the rest of Mewni celebrate a special snowy holiday, "Stump Day." | 2017-12-02 | 5.8 |
 | 26 | Holiday Spellcial 2017-12-02 | Spider with a Top Hat invites one of Eclipsa’s dark spells to the office holiday party. | 2017-12-02 | 7.0 |
 | 27 | The Bogbeast of Boggabah 2018-03-03 | King River interrupts Star's eager investigation into Eclipsa's past and demands her help on a dangerous hunt. | 2018-03-03 | 8.0 |
 | 28 | Total Eclipsa the Moon 2018-03-03 | Moon enlists Eclipsa herself to access Mewni's most guarded records. | 2018-03-03 | 9.0 |
 | 29 | Butterfly Trap 2018-03-10 | Moon and the Magical High Commission put Eclipsa on trial for her evil past with Star as a key witness. | 2018-03-10 | 8.5 |
 | 30 | Ludo, Where Art Thou? 2018-03-10 | Dennis goes on a dangerous journey to find Ludo living in another dimension. | 2018-03-10 | 8.0 |
 | 31 | Is Another Mystery 2018-03-17 | Buffrog leaves Mewni in search for a better life, and Star goes to look for him. | 2018-03-17 | 7.0 |
 | 32 | Marco Jr. 2018-03-17 | Marco returns to Echo Creek to discover that his mom is pregnant. | 2018-03-17 | 6.0 |
 | 33 | Skooled! 2018-03-24 | Ponyhead returns to St. O’s and finds that the curriculum got tougher. | 2018-03-24 | 5.3 |
 | 34 | Booth Buddies 2018-03-24 | A magical photo booth at a wedding goes on the fritz and captures Star and Marco inside. | 2018-03-24 | 4.0 |
 | 35 | Bam Ui Pati! 2018-03-31 | Ponyhead shuts herself away to watch the finale of her favorite Korean Drama. | 2018-03-31 | 5.0 |
 | 36 | Tough Love 2018-03-31 | Eclipsa and Moon bring Princess Meteora home peacefully after the massive destruction she's caused. | 2018-03-31 | 7.0 |
 | 37 | Divide 2018-04-07 | 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. | 2018-04-07 | 9.0 |
 | 38 | Conquer 2018-04-07 | Star must find the courage to face Meteora alone and make a decision that will change the kingdom forever. | 2018-04-07 | 9.5 |
Ratings shown are community scores. Once OMDB is wired, these become per-episode IMDB values.