Destined to be called “the real life Ted Lasso,” the warm reality series “Welcome to Wrexham” (FX, 10 p.m.) chronicles the purchase of a struggling soccer club in Wales by a couple of high-profile Americans, Rob McElhenney of “It’s Always Sunny in Philadelphia” fame and Ryan Reynolds of “Deadpool.” The two don’t know much about the sport, running a club or each other, but viewers learn, with them, how important the club is to its community and its state of mind. There’s some fine profiles of the fans along the way as well, as viewers will cheer on the underdogs along with the charming new owners.

From Remy Youssef (whose own “Remy” returns for its third season Sept. 30) and comic Mohammed Amer comes a new sitcom “Mo” (Netflix, streaming) in which Amer stars as a Palestinian Muslim trying to succeed as a hustling entrepreneur in Houston despite not having papers. It’s an easy-going, funny portrait of a life not often depicted on TV.

“Archer” (FXX, 10 p.m.) returns for its 13th season, with a visit to the spy convention Clendesti-Con. 

How were children who survived Hurricane Katrina in New Orleans in 2005 ultimately affected by the storm. Director Edward Buckles Jr. spent seven years interviewing people for the resulting documentary “Katrina Babies” (HBO, 9 p.m.). 

A missing plush toy is central to the four-part family series “Lost Ollie” (Netflix, streaming), based on a William Joyce children’s book that combines live action actors and computer animation of the doll, which is voiced by Jonathan Groff. Among those popping up in the story are Tim Blake Nelson, Gina Rodriguez, Mary J. Blige and Jake Johnson.