On Sunday, Liverpool host European qualifying rivals Spurs, who are without a win in their last three games and were humbled by third-placed Newcastle last Sunday, conceding five goals in the opening 21 minutes.
I had something else to do, wanted to watch the game a bit later, when I came back it was 5-0," Klopp told reporters.
"I honestly thought something was wrong with the television screen, something like a joke or something like that.
Spurs are fifth in the league standings with 54 points but seventh-placed Liverpool can overtake them with a win at Anfield.
The odds will be heavily stacked against Spurs, who have won just once in their last 20 league games against Liverpool, but Klopp said he was wary of the wealth of talent within the Spurs squad.