Naruto Episode 156 Link

Tenten is defeated by Raiga but later saves Ranmaru. Naruto, Neji, and Rock Lee struggle against Raiga’s lightning-boosted powers until help arrives.

This is a filler episode from the Kurosuki Family Removal Mission arc. Naruto Episode 156

Depending on which series you are watching, "Episode 156" refers to different events. Here are the summaries for the original series, Shippūden , and Boruto : Tenten is defeated by Raiga but later saves Ranmaru

After struggling with toad oil, Naruto learns to channel natural energy through intense focus. He uses Shadow Clones to accelerate his learning, a feat even Jiraiya couldn't achieve. a feat even Jiraiya couldn't achieve.