Zítra vstanu a oparím se cajem (1977)

When one of the Bures twins learns that his brother has choked to death on a bread roll, he decides to take over his brother’s job and becomes a time-pilot at the time tourism company Universum. But things take a turn for the unpredictable when he learns that his brother was part of a Nazi conspiracy to take nuclear technology back to Adolf Hitler. It gets even more complicated when the conspirators fail and arrive back in the future shortly before they originally left… […]