Gaja's Birthday is the second segment of the 3rd episode in Season 2 of Let's Go Luna!.
Fabuloso faces his worst nightmare when he has to take the kids to a birthday party.
- Delhi, India is revisited.
- Gaja turns 10 years old.
- We meet Gaja's mom, Riya.
- It's revealed that Senor Fabuloso does not like children's birthday parties because he had a traumatizing incident at his 10th birthday party. He tripped on a rock and ruined his own birthday cake.
- This and its sister episode are actually the fifth episode in production order, but were the third to air.