Collaborate with another beauty YouTuber to see who can create the best full face makeup look in a set amount of time.

Partner with a cooking channel to create dishes using mystery ingredients chosen by the audience.

Work with a home decor channel to makeover a room on a budget using DIY projects and thrifted items.

Collaborate with a fitness channel to create a high-intensity interval training workout routine.

Exchange clothing items with a fashion channel and film a haul video trying on each other's styles.

Swap travel footage with another travel vlogger and create a vlog showcasing each other's adventures.

Partner with your significant other to answer questions from viewers in a fun and entertaining way.

Collaborate with a musician or singer to create a cover of a popular song.

Work with a comedy channel to create a funny sketch or parody video.

Partner with another channel to try out different snacks from around the world and rate them.

Collaborate with a booktuber to read and discuss a book together.

Collaborate with an artist to do blindfolded drawings and see who can create the best artwork.

Partner with a gaming channel to compete in a Fortnite Battle Royale challenge.

Collaborate with a photography channel to go on a photo scavenger hunt and see who can capture the best shots.

Partner with a tech channel to review and compare different gadgets.

Collaborate with a language learning channel to practice speaking in each other's target languages.

Partner with a yoga channel to try out different yoga poses and routines.

Collaborate with a baking channel to create a delicious dessert using a secret ingredient.

Partner with a fashion channel to create stylish outfits using only thrifted items.

Collaborate with another channel to play a fun game of truth or dare and answer juicy questions.