Film composed of eight animated shorts starring agents Mortadelo (Mort) and Filemón (Phil): The Oregon Ranch; The Blackout Case; The Invitation; An Unexpected Martian; Carioco and His Invention; The Mines of King Salmerón; Second-hand Gangsters; Spies in the Legion.

Mortadelo (Mort) and Filemón (Phil) are visited by Professor Chiflágoras, Filemón's crazy cousin, who has invented a time travel machine in the shape of a closet. (Seven animated shorts with a common narrative: The Time Closet; In Waterloo; The Yeti; Incredible Mission; The Impostors; Count Macula; Maxi-adventure at Sea.)