Complex sentence: Because he was still on probation, Puck reluctantly had to watch the beat down between Sam and Karofsky, but despite not being allowed to fight and feeling helpless about it, he showed great restraint and was still praised for standing up for Kurt.
Split into simpler sentences: Because he was still on probation, Puck reluctantly had to watch the beat down between Sam and Karofsky. Despite being not allowed to fight and feeling helpless about it, he showed great restraint and was still praised for standing up for Kurt.