Saints are hoping to construct on final season’s efforts in Europe, having not received a continental trophy because the 2013-14 Problem Cup.
“We simply need to make reminiscences and see if we are able to go even additional,” added Langdon.
“Castres coming right here, massive French pack. Bodily, we weren’t there first half (towards Gloucester), it is a massive check subsequent week to proper some wrongs.”
With seven rounds of matches having been performed, Northampton are eighth within the Premiership and have to shut a 10-point hole to the play-off locations to have an opportunity of retaining the title they received for the primary time in a decade final season.
One comfort for Saints was the sight of England scrum-half Alex Mitchell making a primary look of the season as he got here off the bench following a neck damage.
Langdon added: “It has been a tricky time for Mitch, he picked up this damage, there was a little bit of uncertainty on how lengthy he was going to be out for, we knew he’d be again however we did not know when.
“When he got here on it gave us a giant enhance. He is clearly excited to be again and introduced a number of tempo to our play within the second half.”