3 episodes match Spaced

Timmy tries to out-geek his buddies by wishing for an authentic looking alien during a reenactment of their favorite science fiction TV show. (imdb)

Inspector Kierken chases the crew spotted by GA while shopping on a planetary station. Three and Five are cut off and depend on each other to survive. Six is almost back to full trust and suggests an interesting perspective for the crew. (imdb)

When Timmy vaguely wishes that Vicky was a million, million miles from him, she ends up being brought to the War planet of Yugopatamia, and lands in the love-struck tentacles of Mark Chang, alien prince! (imdb)