Tristan Thompson's son with Maralee Nichols is more than happy to lend a helping hand.

On Oct. 9, the fitness model shared a sweet video of Theo, 22 months, walking one of their dogs. 

The toddler—dressed in a blue t-shirt, green athletic shorts, and sneakers—is seen holding onto a long leash as a small tan dog leads the way through the grass and up the front steps. Maralee is close behind, walking their other dog and showcasing her baby boy's independent streak.

She captioned the clip posted to her Instagram Stories, "Always wanting to help."

Maralee's video comes days after she gave a glimpse into Theo's athletic side. The trainer posted a video to her Instagram Story of Theo kicking a soccer ball while playing in the yard. And beneath her son in action, Maralee added an image of a flaming soccer ball.

But it's no surprise the mom of one is bringing her followers along as Theo grows up, as since welcoming the boy in December 2021, Maralee has often shared snaps of her family life.

Some of their activities include days spent at the farmers market, on a farm, and their bedtime routine.

As for Tristan—who Maralee filed a paternity suit against before the birth of their son—he has yet to speak out about their coparenting relationship.

The NBA player was in a relationship with Khloe Kardashian at the time of the paternity lawsuit, with the cheating scandal ultimately leading to them ending their on-again/off-again relationship. However, Tristan—who shares son Prince, 6, with ex, Jordan Craig—and the Good American founder have continued to coparent daughter True, 5, and Tatum, 14 months.

To see more adorable mother-son moments between Maralee and Theo, keep reading...

Theo showcases his athletic skills in October 2023.

Maralee shared this photo of herself cuddling her son on her Instagram Stories on July 29, 2023.

On July 14, 2023, Maralee shared this photo from her and Theo's trip to the San Diego Zoo.

Theo meets an elephant.

Theo read a book before bed in September 2023.

Maralee pushes her son on a swing.

Theo checks out his surroundings on a day out with mom.

This boy holds the key to his mama's heart.

Maralee Nichols documents her son Theo Thompson enjoying a Southern California sunset. 

While exploring an aquarium, Maralee revealed Theo's "favorite words are 'wooow' and 'coool.'" 

It's a magical mother-son date at the Disneyland Resort in Anaheim, Calif. 

Maralee celebrates her first Halloween as a mom alongside baby Theo. 

"October with my pumpkin," Maralee shared on Instagram. 

You never know who you will find at the pumpkin patch! 

"Can't believe my baby is 6 months old," Maralee wrote from the San Diego Zoo in June 2022. "Theo's first time at the zoo, he loved looking at all the animals."