Claim: Pixar uses CGI.

Beginning with Pixar 's second film A Bug 's Life , all subsequent Pixar feature films have been shown in theatres along with a Pixar-created short . Other Pixar shorts , released only on home media , were created to showcase what Pixar can do -LRB- either technologically or cinematically -RRB- , or were created specifically for a client .   Pixar 's ideas and technical capabilities have developed by producing shorts since the 1980s . The first shorts were made while Pixar was still a computer hardware company , when John Lasseter was the only professional animator in the company 's tiny animation department . Starting with Geri 's Game , after Pixar had turned into an animation studio , all later shorts have been produced with a larger crew and budget .   In 1991 , Pixar made four CGI shorts produced for the TV series Sesame Street . The shorts illustrates different weights and directions starring Luxo Jr. and Luxo -- Light and Heavy -LRB- 1990 -RRB- , Surprise -LRB- 1991 -RRB- , Up and Down -LRB- 1993 -RRB- , and Front and Back -LRB- 1994 -RRB- .   Also , beginning with A Bug 's Life , Pixar has created extra content for each of their films that is not part of the main story . For their early theatrical releases , this content was in the form of `` movie outtakes '' and appeared as part of the film 's credits . For each of their films , this content was a short made exclusively for the DVD release of the film .