While Jackass Forever took the "biggest" stunts, 4.5 contains some of the most brutal and bizarre segments of the production:

The film features the full "Forever" crew, bridging the gap between the legendary original members and the new generation:

It explains production oddities, such as why Johnny Knoxville's hair changes color (due to filming pauses caused by the pandemic) [9].

Johnny Knoxville , Steve-O , Chris Pontius , Dave England , Wee Man , Danger Ehren , and Preston Lacy [4].

A high-stakes game where Dave England, Chris Pontius, Steve-O, and Poopies had bricks tied to their sensitive areas [7].

Critics from Beyond the Balcony noted that the film highlights the "community spirit" of the set, showing gags played on everyone from the director to the camera crew [10].