Connections

Brought up in discussion.

"Warp speed" mentioned

Mentioned in dialogue

Mentioned in dialogue

Mention by Mr. Ross

"Timeando" is a reference to the deadly storm in "Sharknado."

All characters from the show appear in this film and explains a lot about Mordecai's and Rigby's past.

Ending sequence before credits depicts spaceship leaving drive-in in a fashion similar to the DeLorean in the Back To The Future movies.