Space rockets, aliens and stars filled the night sky as dozens of lanterns were paraded through Sharrow for its annual carnival.
The tenth celebration - which started as a way to mark the end of the Iraq war - attracted more than 100 people to Mount Pleasant Park last night.
Astronauts, a Spock and even ET floated above the crowds, which followed a samba band through the streets and had the theme ‘space’.
Lucy Parker, of Highfield, was putting last minute touches to a 10ft high Dalek.
She said: ‘We had to make it in sections so it could fit through a normal door.
“It is the most complex we have made.”
Henry Brunskill, of Sharrow, created a massive AT-AT Imperial Walker from Star Wars, which even had its own music system and was on wheels.
The 27-year-old said: “The festival is fantastic, it just brings the community together, and I’m a big Star Wars fan as well.
“This year I’d do something ambitious.
Friends Laura Hegarty, Kizzy Jaycock and Bex Dudley made a Dr Who tardis.
Laura said: “This is the best festival in Sheffield because it has such a community feel.”